p*V=m*R*T/M
m=p*V*M/(R*T)=150*10^3*34.6*4*10^-3/(8.31*500)=5 кг
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p*V=m*R*T/M
m=p*V*M/(R*T)=150*10^3*34.6*4*10^-3/(8.31*500)=5 кг
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