October 2021 0 0 Report
Расставить коэффиценты.( маленькие лат буквы варианты) a Ca(OH)2 + b HNO3 = c Ca(NO3)2 + d H2O

Варианты ответов:


1- a=1, d=2

2- b=1, d=2

3- a=2, b=2

4- c=1, d=1
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