layshjjbradshaw7250
21.04.2021 •
Chemistry
Was
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%
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Ответ:
Se entiende por impacto ambiental el efecto que produce una determinada acción humana sobre el medio ambiente en sus distintos aspectos. Las acciones humanas, motivadas por la consecución de diversos fines, provocan efectos colaterales sobre el medio natural o social. ...
Explanation: