<span>2HCl+Ag=AgCl2+H2 </span>
3H2SO4+Fe2O3=Fe2(SO4)3 + 3H2O
<span><span><span> SO3+H2O=H2SO4</span></span></span>
<span><span><span><span> Na+H2O=NAO+H2</span></span></span></span>
<span><span><span><span><span>Li2O+H2O=2LiOH</span></span></span></span></span>
<span><span><span><span><span><span>Ni+H2O=не знаю....</span></span></span></span></span></span>
<span><span><span><span><span><span><span>Ba(OH)2+HNO3=<span>Ba(NO3)2 + 2H2O</span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span> Ca(OH)2+2HNO3=<span>Ca(NO3)2+2H2O</span></span></span></span></span></span></span></span>
19,6 г Х г
H2SO4 + 2NaOH = Na2SO4 + 2H2O
n = 1 моль n = 2 моль
Mr = 98 г/моль Mr = 18 г/моль
m = 98 г m = 36 г
19,6 г H2SO4 - Х г Н2О
98 г H2SO4 - 36 г Н2О
m(H2O) = 19,6 * 36 \ 98 = 7,2 г
Углерод -1
водород +1
-1 +1
С6Н6