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Serga [27]
3 years ago
14

How many calcium (Ca) atoms are in the chemical formula:

Chemistry
1 answer:
Vsevolod [243]3 years ago
3 0
There is one calcium, one carbon atom, and three oxygen atoms. Therefore, there are 5 atoms in CaCo3
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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 <span>Mg(OH)2 = 24.3 g/mol + (2 x (16 + 1.0)) = 58.30 g/mol

Mass = 3.2 mol (</span>58.30 g/mol) = 186.56 grams
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3 years ago
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