M(CH2NH2COOH) = 75 г/моль
m(CH2NH2COOH) = 150 г
n(CH2NH2COOH) = 150/75 = 2 моль
<span>Te->TeO3->H2TeO4->TeO4
2Te + 3O2 = 2TeO3
TeO3 + H2O = H2TeO4
</span>
2NH3 + 3CuO ->3Cu + N2 + 3H2O
N(-3)H(+) + Cu(+2)O(-2) -> Cu(0) + N(0) + H(+)O(-2)
2N(-3) -6e -> N2(0) 1 ок-ие
в-ль
Cu(+2) +2e -> Cu(0) 3 в-ие
ок-ль
CH3-CH-COH+Cl2->CH3-CH-COH+HCl+H2O
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CH3 CH3