August 2022 1 5 Report
Сколько грамм K2SO4 получается при реакции 28 грамм KOH с оксидом серы (VI)?
Mr(K2SO4)=174 Mr(KOH)=56
A) 46,2
B) 32
C) 26
D) 38,4
E) 43,5
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