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29 March, 00:33

Which equivalence factor should you use to convert from 38.2 grams of K to moles of K?

a

(38.2 g K/39.10 g K)

b

(38.2 g K/1 mol K)

c

(1 mol K/38.2 g K)

d

(1 mol K/39.10 g K)

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Answers (1)
  1. 29 March, 00:38
    0
    In order convert the mass of a substance to its number of moles The conversion factor is the reciprocal of the molecular weight of the substance. Hence, for the given element in the problem - potassium, the equivalence factor is d. (1 mol K/39.10 g K).
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