what is the molality of the bleach?
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- What is the molality of the bleach. Household bleach is a 5 mass % aqueous soln. of sodium hypochlorite(NaOCl). What is the molality of the bleach. What is the mole fraction of NaOCl in the bleach.
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- 1. molality-concentration measured by the number of moles of solute per kilogram of solvent. molal concentration. concentration-the strength of a solution; number of molecules of a substance in a given volume.
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Calculating Molar Mass from Freezing Point Depression The freezing point of a solution that contains 1.00 g of an unknown compound, (A), dissolved in 10.0 g of benzene is found to be 2.07 o C. The freezing point of pure benzene is 5.48 o C. The molal freezing point depression constant of benzene is 5.12 o C/molal.
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- A solution of 5.25 percent sodium hypochlorite (household bleach) diluted at 1:10 (10% bleach solution – this cannot be premixed, must be mixed at time of disinfection, can use small bleach packets appropriately sized to mix with water)
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13.4 Ways of Expressing Concentration [13.9]. Thus, if you form a solution by mixing 0.200 mol of NaOH (40.0 g) and 0.500 kg of water (500 g), the concentration of the solution is (0.200 mol)/(0.500 kg) = 0.400 m (that is, 0.400 molal) in NaOH. Notice the difference between the definitions of molarity and molality.
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- Molar solution concentration equation. 1  C is the molar concentration in mol/L (Molar or M). 2  This is also referred to as molarity, which is the most common method of expressing the concentration of a solute in a solution.3  Molarity is defined as the number of moles of solute dissolved per liter of solution (mol/L = M). C is the molar concentration in mol/L (Molar or M). 2  This is also referred to as molarity, which is the most common method of expressing the concentration of a solute in a solution.
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Components of a Solution Molarity measures the number of moles of solute dissolved per liter of solution. It is important for stoichiometric calculations as it is one of the few units that quantifies moles of solute, and the only unit that does so in terms of the volume of solution. The formula used for calculating molarity is given below.
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Definitions Osmolality: Osmoles of solute per kilogram of solvent. Osmolality Equation: Osmolality is the number of Osmols of solute particles per kilogram of pure solvent. Since most ionic species do not completely dissociate, osmolality is a unit of concentration, which takes into account the dissociative effect.
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Molarity, Molality and Normality Be careful not to confuse molality and molarity. Molality is represented by a small m, whereas molarity is represented by an upper case M. Note that the solvent must be weighed unless it is water. One liter of water has a specific gravity of 1.0 and weighs one kilogram; so one can measure out one liter of water and add the solute to it.
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Normality & Molarity Calculator Dividing the grams of HNO3 by the molecular weight of HNO3 (63.01 g/mole) gives the number of moles of HNO3 / L or Molarity, which is 15.7 M. The Molarity Calculator Equation: The following equation is used for calculating Molarity where the concentration is given in wt %: [(% x d) / MW] x 10 = Molarity. Where: % = Weight %; d = Density (or specific gravity); MW = Molecular Weight (or Formula Weight). The above equation can then be used to calculate the Molarity of the 70 wt % Nitric Acid:
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- Molarity (M), molality (m) and the Colligative properties. The molarity of a solution is the number of moles of solute per liter of solution. The symbol for molarity is M. Thus a 3.0 molar solution of nitric acid, abbreviated 3.0 M HNO3, contains 3.0 moles of HNO3 per liter of solution.
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Plasma osmolality Whereas osmolality (with an “ℓ”) is a measure of the osmoles (Osm) of solute per kilogram of solvent (osmol/kg or Osm/kg), osmolarity (with an “r”) is defined as the number of osmoles of solute per liter (L) of solution (osmol/L or Osm/L). 1 Measured osmolality (MO)
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- As shown in Table 1, about one tablespoon (1/2 fluid ounce, 15. ml) of typical chlorine bleach per gallon of water is the maximum. that should be used for sanitizing food contact surfaces, according. to federal regulation.
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How to Fix a Flat Tire (Do not use levers to reseat the tire, as you could puncture the tube.) When you get to the valve stem, tuck both sides of the tire bead low into the rim then push upward on the stem to get the tube up inside the tire. Inflate completely, checking that the bead is seated correctly. Tags: Flat tires Bicycle repair.t's a fact: You will get a flat tire in your lifetime. So be prepared. All you need to get yourself out of a jam and back on the roll is a mini-pump (or other quick-fill device, such as a CO2 cartridge), a spare tube or patch kit, tire levers and a little patience.
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Osmotic concentration According to IUPAC, osmolality is the quotient of the negative natural logarithm of the rational activity of water and the molar mass of water, whereas osmolarity is the product of the osmolality and the mass density of water (also known as osmotic concentration).
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How do you Convert from Molarity (M) to Parts Per Million (ppm) and mg/L? The molarity of a solution is the number of moles of solute per liter of solution. The molar mass of any particle (atom, molecule, formula, or ion) is the sum of the average atomic masses of all atoms forming that particle. This is also known as molecular weight.
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- manufacturer) is usually diluted in water at 1:10 or 1:100. Approximate dilutions are 1-1/2 cups of bleach in a gallon of. water for a 1:10 dilution (~6,000 ppm) or 1/4 cup of bleach in. a gallon of water for a 1:100 dilution (~600 ppm).
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the solute, and a dissolving medium, the solvent To express the effect of concentration on freezing point or boiling point, molality is used in place of molarity. Molality (m) is the number of moles of solute per 1 kilogram (or 1000 grams of solvent. For example, a two molal (2 m) solution contains two moles of solute dissolved in 1 kilogram of solvent. Example 1 Calculate the molality of a solution prepared by dissolving 36.0 g of glucose, C6H12O6, in 400.0 g
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- Understanding the concentration of your bleach solution is. important for achieving effective disinfection. Bleach (usually. 5.25% or 6.00%–6.15% sodium hypochlorite depending upon. manufacturer) is usually diluted in water at 1:10 or 1:100.
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Boiling Point Elevation and Molality? Help please? The boiling point elevation constant for water is 0.512 degrees Celsius per mole. A) 98.16 degrees Celsius B) 101.8 degrees Celsius C) 107.0 degrees Celsius B) 108.1 degrees Celsius I... show more I'm stuck on these two questions. 1. What would be the boiling point of a 3.60 mole aqueous sucrose solution? The boiling point elevation constant for water is 0.512 degrees Celsius per mole. A) 98.16 degrees Celsius B) 101.8 degrees Celsius C) 107.0 degrees Celsius B) 108.1 degrees Celsius I... show more I'm stuck on these two questions. 1. What would be the boiling point of a 3.60 mole aqueous sucrose solution? The boiling point elevation constant for water is 0.512 degrees Celsius per mole. A) 98.16 degrees Celsius B) 101.8 degrees Celsius C) 107.0 degrees Celsius B) 108.1 degrees Celsius I think it's C. Is that correct? 2.
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Molality: Definition & Formula The formula for molality is m = moles of solute / kilograms of solvent. In problem solving involving molality, we sometimes need to use additional formulas to get to the final answer. One formula we need to be aware of is the formula for density, which is d = m / v, where d is density, m is mass and v is volume.
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- Kb is the molal freezing point depression constant, and. m is the molal concentration of the solute in the solution. Note that the molal freezing point depression constant, K. solvent normal freezing point, oC Kb, oC m-1 water 0.0 1.86 acetic acid 16.6 3.9 benzene 5.5 5.12 chloroform -63.5 4.68 nitrobenzene 5.67 8.1.
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- Divide moles of solute by kilograms of solvent This solution has a molality of 0.0100 mol glucose / 0.0100 kg water = 1.00 mol glucose / kg water. You'd write the concentration as 1.00 m glucose on the label. But you probably want to know how to convert molarity into molality.ivide moles of solute by kilograms of solvent This solution has a molality of 0.0100 mol glucose / 0.0100 kg water = 1.00 mol glucose / kg water. You'd write the concentration as 1.00 m glucose on the label. But you probably want to know how to convert molarity into molality.
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The Little Couple to make a big return Where is the little couple is one of the best shows on tlc. The other shows with the small people are not as entertaining and I don't care for them. They will never take the place of the little couple and there family.
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Sodium hypochlorite Household bleach is, in general, a solution containing 3–8% sodium hypochlorite and 0.01–0.05% sodium hydroxide; the sodium hydroxide is used to slow the decomposition of sodium hypochlorite into sodium chloride and sodium chlorate.
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- 1. molarity-concentration measured by the number of moles of solute per liter of solution. molar concentration, M. concentration-the strength of a solution; number of molecules of a substance in a given volume.