Answer to Question #229656 in General Chemistry for Bella

Question #229656

A chemist determines by measurements that 0.055 moles of oxygen gas participate in a chemical reaction.

Calculate the mass of oxygen gas that participates.

Round your answer to 2 significant digits.


1
Expert's answer
2021-08-26T01:08:16-0400

"n=0.055 \\;moles \\\\\n\nM(O_2) = 16+16 = 32 \\;g\/mol \\\\\n\nm = n \\times M = 0.055 \\times 32 = 1.76 \u2248 1.8 \\;g"

Answer: 1.8 g


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