Автор - dariverner

помогите решить,пожалуйста​

Ответ

Автор - prosvirinandrew2004

1. 18/(193+18) = 0.085 = 8.5%

2. 15/183 = 8% NaOH

18/183= 10% KOH

3. 450* 0.14 = 63г

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