It is possible for head lice to live temporarily on items such as bedding, couches, hair accessories, car seats, toys and clothing. Fortunately, head lice can only survive 24-48 hour off of the head and are relatively easy to remove from the home.
The molar mass of aspirin (2-acetoxybenzoic acid), C9H8O4, is 180.157 g/mol. The molar mass of aspirin (2-acetoxybenzoic acid), C9H8O4, is 180.157 g/mol.
The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) â 2 K2O(s) + 2 N2(g) + 5 O2(g) A) 0.290 mol N2 B) 0.580 mol N2 C) 18.5 mol N2 D) 0.724 mol N2 E) 1.73 mol N2 Answer: A Two samples of calcium fluoride are decomposed into their constituent elements.The first sample produced 0.154 g of calcium and 0.146 g of fluorine.he first sample produced 13.0 g of potassium and 42.3 g of iodine. If the second sample produced 24.4 kg of potassium, how many kg of iodine were produced? A) 13.3 kg B) 22.5 kg C) 79.4 kg D) 44.4 kg E) 92.4 kg Answer: C A 14.01 g sample of N2 reacts with 3.02 g of H2 to form ammonia (NH3).