Essential Chemistry for IGCSE - Chemical Calculations (Section 4 - No. 38) | ExamPlay

Essential Chemistry for IGCSE - Chemical Calculations (Section 4 - No. 38)

Calculate the mass of 0.5 moles of oxygen gas (O2). (O = 16)

8 g

16 g

32 g

4 g

Explanation

Molar mass of O2 = 32 g/mol. So, 0.5 mol * 32 g/mol = 16 g

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