Question

3. What is a mole! Calculate number of moles in 49 g of H2SO4

Asamic mass of (H-1,0-16,5-32)
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Answer 1

0.5 mol of H2SO4 contains 0.5 x 6.022 x 10^23 molecules. = 3.011 x 10^23 molecules . that is 49 g of H2SO4 contains 3.011 x 10^23 molecules of H2SO4.