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26 July, 00:24

The molar mass of sucrose (C12H22O11) is 342.3 g/mol. A chemist has a 0.500-mol sample of sucrose. What is the mass, in grams, of this sample?

a) 171

b) 342

c) 500

d) 684

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Answers (1)
  1. 26 July, 00:51
    0
    a) 171

    Explanation:

    We can find the mass (in grams) of a sample by multiplying the amount of moles by the molar mass.

    In this case, we know we have 0.500-mol and would multiply it by the molar mass, 342.3g/mol, to give us the answer of 171.15g rounded down to 171g.

    Equation: 0.500mol x 342.3g/mol = 171.15g
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