Question

how many grams of hydrogen sulphide are contained in 0.4 moles of hydrogen sulfide​

Answer 1

5 gram grams of hydrogen sulphide are contained in 0.4 moles of hydrogen sulfide​

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Answer 2

Answer:

1mole = 1 gram atom. Therefore, 0.40 mole of H2S contains 2 x 0.40 = 0.80 gram atoms of H and 0.40 gram atoms of S.