1)m(NaOH)=20г m(CuSO4)=20г 2)m(Na2S)=330г m(HNO3)=330г

Question

1)m(NaOH)=20г
m(CuSO4)=20г


2)m(Na2S)=330г
m(HNO3)=330г

Answer 1

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