How many moles are 5 grams of calcium atomic mass of calcium 40 u
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Answered by
10
Molar mass of Calcium=40.078 g/mol. So numbers of moles =5.00/40.078 =0.125 mol.
Answered by
20
given mass = 5g
atomic mass of calcium =40g
no. of moles = given mass ÷ atomic mass
= 5/40 = 1/8 = 0.125
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