焦磷酸钠含有百分之多少盐
人气:348 ℃ 时间:2020-06-12 22:00:04
解答
焦磷酸钠:Na4P2O7,本来就是盐,当然是100%的盐.
但它可以转化为正磷酸的酸式盐:
Na4P2O7 + H2O = 2Na2HPO4
酸式盐也是100%的盐;
如果说,相当于多少正磷酸正盐,则为2/3 = 67%.
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