Question

1) How many molecules of H2SO4 are there in a 49 g sample?
(Atomic mass of H = 1, S = 32 0 = 16)
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Answer 1

Answer:

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$\huge\bold{\longmapsto}$: 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.

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