Какую массу ортофосфорной кислоты можно получить при нагревании 0,2 моль оксида ...

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Какую массу ортофосфорной кислоты можно получить при нагревании 0,2 моль оксида фосфора (V) с достаточным количеством воды

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dec77cat P₂O₅ + 3H₂O = 2H₃PO₄

M(H₃PO₄)=98 г/моль
n(P₂O₅)=0,2 моль

n(H₃PO₄)=2n(P₂O₅)

m(H₃PO₄)=M(H₃PO₄)n(H₃PO₄)=2M(H₃PO₄)n(P₂O₅)

m(H₃PO₄)=2*98*0,2=39,2 г

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princip radiosvyazi

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vyrazite v radiannoj mere velichiny uglov 45 gradusov 36 gradusov 180 gradusov

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reshite dva uravneniyaf098ef813fda5000336640a91d0e9058 88355

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Find the definition: a coin, a chain, to wrap, a counter, to sell. to give somet...

36...

Open the brackets. 1. My younger brother (to buy) veal and poultry at the butche...

princip radiosvyazi

Open the brackets. 1. My younger brother (to buy) veal and poultry at the butche...

2(2+0,8)...

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