Answer to Question #70747 in Organic Chemistry for peter

Question #70747
Be sure to answer all parts.

Calculate the number of grams contained in each of the following number of moles. Report your answer with the appropriate number of significant figures.

a. 0.450 mol of NaCl (sodium chloride)

g
b. 2.80 mol of C2H4 (ethylene)

g
1
Expert's answer
2017-10-25T15:22:06-0400
Mass = (Molar mass) ∙ (Amount)
a: 58.443 g/mol ∙ 0.450 mol = 26.3 g
b: 28.05 g/mol ∙ 2.80 mol = 78.54 g
Answer:
a: 26.3 g
b: 78.54 g

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