Milk of magnesia has the chemical formula mg(oh)2. what is the mass of 3.2 moles of milk of magnesia? the molar mass of magnesium is 24.3 grams per mole. the molar mass of hydrogen is 1.0 grams per mole. the molar mass of oxygen is 16.0 grams per mole

To calculate the mass of milk of magnesia given, we need certain data like molar mass of the compound which needs the atomic mass of the atoms in the compound. We calculate as follows:

Molar mass of Mg(OH)2 = 24.3 g/mol + (2 x (16 + 1.0)) = 58.30 g/mol

Mass = 3.2 mol (58.30 g/mol) = 186.56 grams

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