Ответ:
1. Mr(AlPo4) = 122г/моль Mr(Na2O) = 62г/моль Mr(MgH2) = 26г/моль
2. Mr(H2SO4) = 1*2 + 32 + 16*4 = 98
W(H) = Ar(H) * n / Mr(H2SO4) *100% = 1 * 2 / 98 *100% = 2%
W(S) = Ar(S) * n / Mr(H2SO4) *100% = 32 *1 / 98 *100% =33%
W(O) = Ar(O) * n / Mr(H2SO4) *100% = 16*4/ 98 *100% = 65%
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Ответ:
1. Mr(AlPo4) = 122г/моль Mr(Na2O) = 62г/моль Mr(MgH2) = 26г/моль
2. Mr(H2SO4) = 1*2 + 32 + 16*4 = 98
W(H) = Ar(H) * n / Mr(H2SO4) *100% = 1 * 2 / 98 *100% = 2%
W(S) = Ar(S) * n / Mr(H2SO4) *100% = 32 *1 / 98 *100% =33%
W(O) = Ar(O) * n / Mr(H2SO4) *100% = 16*4/ 98 *100% = 65%