Calculate number of moles in 7.85 g of Iron (atomic mass =55.8) *
a. 0.4
b. 0.10
c. 0.14
d. 0.71
Answers
Answered by
2
Answer:
0.14 moles
Explanation:
Answered by
4
Answer:
0.14 is the answer
Explanation:
To convert grams into number of moles, divide by the molar mass also called standard atomic weight. This is found on the periodic table. For Fe, it's 55.845 g/mol. So 7.85 / 55.845 = 0.141 mol.
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