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Kasperkms
@Kasperkms
August 2022
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Какой объем раствора гидроксида калия с массовой долей КОН 24% (р=1.218 г/см^3) можно приготовить из 125 л растовра едкого калия с массовой долей КОН 48% (р=1.510 г/см^3)
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ndambaeva
Mr-ra=125000ml*1.51g/ml=188.75g
mKOH=188.75*0.48=90.9g
mr-ra2=90.6*100%/24%=377.5g
Vr-ra=m/p=377.5g/1.218g/ml=309.9ml
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Answers & Comments
mKOH=188.75*0.48=90.9g
mr-ra2=90.6*100%/24%=377.5g
Vr-ra=m/p=377.5g/1.218g/ml=309.9ml