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Answer to Question #256361 in General Chemistry for Heheh
Question #256361
A 0.07 mol calcium reacts with 0.04 mol oxygen gas to produce calcium oxide, CaO. Given that calcium is the first to be completely consumed, calculate the expected mass of CaO produced in this experiment
Expert's answer
2Ca + O2 → 2CaO
Moles of CaO = 0.04 × 2 = 0.08
Mass of CaO = 56.0774 × 0.08=4.486grams
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