August 2022 1 7 Report
1.Какие из перечисленных веществ могут быть взяты для приготовления бу-

ферных растворов:

а) КОН + КС1; б) НС1 + КС1;в) Н2СО3 + NaНСО3 ;г) КС1 + NаNО3 ?​
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