Answer to Question #108521 in Chemistry for Nikyle Kuarlal

Question

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

Answer 1

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

V(HNO_3conc) = 5L × 0.45 N / 15.8 N = 0.142 L = 142 mL

Answer: 142 mL