1) Mr(H2S) = Ar(H) * n(H) + Ar (S) * n(S)= 34
2) ω (H) = n(H) * Ar(H) * 100% / Mr(H2S) = 2 * 1 * 100% / 34 = 5,9%
3) ω(S) = 100% - ω(H) = 94,1%.
Объяснение:
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