Chemistry, 07.01.2020 23:31, IntellTanito

What is the percent composition by mass of oxygen in ca(no3)2 (gram-formula mass=164 g/mol)?
(1) 9.8% (3) 48%
(2) 29% (4) 59%

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What is the percent composition by mass of oxygen in ca(no3)2 (gram-formula mass=164 g/mol)?
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