1.

Concentrated \[HN{{O}_{3}}\] is 63% \[HN{{O}_{3}}\] by mass and has a density of 1.4 g/mL. How many millilitres of this solution are required to prepare 250 mL of a 1.20 M \[HN{{O}_{3}}\] solution?

A. 18
B. 21.42
C. 20
D. 14.21
Answer» C. 20


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