Question

Convert the following given masses into moles

250 g of MgSO4    ii) 10 g of  NaCl    iii)  180 g of H2SO4

( Mass of Mg = 24, S= 32,  Na = 23, Cl = 35.5, H = 1)

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Answer 1

Answer:

moles= mass/mwt

1)250/120

2)10/58.5

3)180/98