<span>CrO3+H2O=H2Cr^nO^3n+1
</span><span>CuO + 2HNO3 = Cu(NO3)2 + H2O
</span>3H2SO4<span> + </span>Al2O3<span> = 3</span>H2O<span> + </span>Al2(SO4<span>)3
</span><span>Ba(OH)2 + SO2 = ВаSO3 + H2O
</span><span>2KOH + CO2 ----> K2CO3 + H2O
</span>2P2O5+3Ca(OH)2=Ca3(PO4)2+3H2O
BaO<span> + </span>SO3<span> = BaSO4
</span>Na2O+N2O5<span>= 2NaNO3</span>
CH2=CH2 Вот нужная формула
<span>Al + Cr2O3= Al2O3 + 2Cr</span>
H2+CL2--->2HCL
Ню(HCL)= 80г:36,5г/моль= 2,2моль
V(CL2)=1.1моль*22,4л/моль=24,64л
N2+3H2---> 2NH3
V(N2)=20.16л
M(NaCl)=60*0,009=0,54 г
;m(H2O)=60-0,54=59,46г.