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Question
Calculate the number of hydrogen atoms in 0.1 mole of H2SO4.
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Solution
1 mole of H2SO4 contains = 2 x 6.02 x 1023
So, 0.1 mole of H2SO4 contains = 2 x 6.02 x 1023 x 0.1
= 1.2 x 1023 atoms of hydrogen
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