The number of moles of O2 in 10.6 grams of Na2CO3: A. 0.1 moles B. 0.3 moles C. 0.2 moles D. None of these Explain please

asked Mar 22, 2021 207k views

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The number of moles of O2 in 10.6 grams of Na2CO3:

A. 0.1 moles
B. 0.3 moles
C. 0.2 moles
D. None of these

Explain please

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2 votes

The answer is A. 0.1 moles

..........

The molar mass of sodium carbonate Na2CO3 is 106g, so 10.6g is 10.6/106 = 0.1mol.

Szaske answered Mar 27, 2021

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