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CBSE Class 9 Answered

calculate the number of moles in 122 grams of iron.
Asked by sejal seth | 30 Dec, 2011, 12:34: AM
Expert Answer
Molar mass of Fe = 55.85 grams/mol.
Number of moles = mass in grams /molar mass = 122/ 55.85 = 2.18
Answered by | 30 Dec, 2011, 08:08: AM
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