Ответ:
Объяснение:
Mr(H2SO4) = Ar(Н) * 2 + Ar(S) + Ar(O) * 4 = 1 * 2 + 32 + 16 * 4 = 98
w(H) = 2/98 * 100% = 2,04%
w(S) = 32/98 * 100% = 32,65%
w(O) = 64/98 * 100% = 65,31%
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Ответ:
Объяснение:
Mr(H2SO4) = Ar(Н) * 2 + Ar(S) + Ar(O) * 4 = 1 * 2 + 32 + 16 * 4 = 98
w(H) = 2/98 * 100% = 2,04%
w(S) = 32/98 * 100% = 32,65%
w(O) = 64/98 * 100% = 65,31%