24г 19.6г хг
2NaCl+H2SO4=Na2SO4+2HCl х=19.6×73÷98=14.6г
117г 98г 73г
0.20изб 0.2
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24г 19.6г хг
2NaCl+H2SO4=Na2SO4+2HCl х=19.6×73÷98=14.6г
117г 98г 73г
0.20изб 0.2