Question #108521

How many millilitres of concentrated HNO3 are needed to prepare 5L of 0,45N HNO3?

Expert's answer

The normality of the concentrated HNO3 equlas 15.8 N. As a result:

V(HNO3conc) = 5L × 0.45 N / 15.8 N = 0.142 L = 142 mL


Answer: 142 mL

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