To many teachers (and students), assessment simply means giving students tests and assigning them grades. This conception of assessment is not only limited, but also limiting (see section below on Assessment versus grading).
Molecular weight of Nickel(II) Chloride Hexahydrate. Molar mass of NiCl2.6H2O = 237.69108 g/mol. Convert grams Nickel(II) Chloride Hexahydrate to moles or moles Nickel(II) Chloride Hexahydrate to grams. Molecular weight calculation: 58.6934 + 35.453*2 + 6*(1.00794*2 + 15.9994) Note that all formulas are case-sensitive.
Calcium hypochlorite. Calcium hypochlorite is an inorganic compound with formula Ca(ClO)2. As a mixture with lime and calcium chloride, it is marketed as chlorine powder or bleach powder for water treatment and as a bleaching agent. This compound is relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach).