Объяснение:
m(РН3)=n•M= 2.5•(31+3•1)= 2.5•34=85г
N(РH3) = n•Na = 2.5•6.02•10²³=15,05•10²³ молекул
V(PH3)=n•Vm= 2.5•22.4= 56л
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Объяснение:
m(РН3)=n•M= 2.5•(31+3•1)= 2.5•34=85г
N(РH3) = n•Na = 2.5•6.02•10²³=15,05•10²³ молекул
V(PH3)=n•Vm= 2.5•22.4= 56л