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Chemistry

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The standard molar entropy of lead(II) bromide (PbBr2) is 161 J/mol • K. What is the entropy of 2.45 g of PbBr2?

a. +1.07 J/K
b. –1.07 J/K
c. +161 J/K
d. –161 J/K
e. 0 J/K

  • Chemistry -

    161 J/mol x # mols = ?
    mols PbBr2 = grams/molar mass

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