Chemistry, 21.04.2021 01:20 natkookie85
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4. When a 1.25-gram sample of limestone, that contains CaCO3 (molar mass = 100 g/mol) and inert impurities
dissolved in acid, 0.22 grams of CO2 was generated (molar mass = 44 g/mol). What was the percent of CaCO3 by
mass in the limestone?
CaCO3 + CO2 + CaO
(a) 20%
(6) 40%
(c) 67%
(d) 80%
(e) 100%
Answers: 2
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4. When a 1.25-gram sample of limestone, that contains CaCO3 (molar mass = 100 g/mol) and iner...
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