(1)
;Na 2O 2;﹥;生成的醋酸钠是强碱弱酸盐水解呈碱性,离子方程式为
CH 3COO -+H 2O
CH 3COOH+OH -
(2)①3NO 2+H 2O = 2HNO 3+NO;②NO 2能溶于浓硫酸中,浓硫酸不能干燥NO 2;
③3NO 2(g)+ H 2O(l)= 2HNO 3(aq)+ NO(g)△H = -138 kJ/mol
(1)
;Na 2O 2;﹥;生成的醋酸钠是强碱弱酸盐水解呈碱性,离子方程式为
CH 3COO -+H 2O
CH 3COOH+OH -
(2)①3NO 2+H 2O = 2HNO 3+NO;②NO 2能溶于浓硫酸中,浓硫酸不能干燥NO 2;
③3NO 2(g)+ H 2O(l)= 2HNO 3(aq)+ NO(g)△H = -138 kJ/mol