## Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall

# Chapter 2 - Sections 2.1-2.9 - Exercises - Problems by Topic: 84a

#### Answer

Mass of sample = $0.28005 g$

#### Work Step by Step

Molar mass of Sb = $121.76 g/mol$ Amount of sample = $2.3\times 10^{-3} mol$ Hence, mass of sample = molar mass $\times$ amount in mol = $$121.76 g/mol\times 2.3\times 10^{-3} mol = 280.05 \times 10^{-3} g = 0.28005 g$$

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