Determine the molecular weight of molecules KNO3, Mg3, (POu) 2, CaCO3.
| December 10, 2020 | education
molecular weight – the mass of one mole of a substance
to calculate, you need a slower table
M (KNO3) = 39 + 14 + 16 * 3 = 101 grams / mol
M (Mg3 (PO4) 2) = 24 * 3 + (31 + 16 * 4) * 2 = 262 grams / mol
M (CaCO3) = 40 + 12 + 16 * 3 = 100 grams / mol
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