arthurcasella
26.10.2020 •
Chemistry
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Ответ:
347.4 (19.3 mole)
Explanation:
CH4 + 2O2 = CO2 + 2H2O
1(mole) - 9.65(mole)
2(mole) - x ⇒x = 9.65*2=19.3
m=n*M ⇒ m= 19.3*(1*2+16)= 19.3*18=347.4(g)