Question

Solve the following

1) A solution is made by adding 24.8 mL of concentrated nitric acid (70.4 wt%, density 1.42 g/mL) to some water in a volumetric flask, and then adding water to the mark to make exactly 200 mL of solution. Calculate the concentration of this solution in molarity.

2) A 72.0 mL aliquot of a 1.50 M solution is diluted to a total volume of 288 mL. A 144 mL portion of that solution is diluted by adding 167 mL of water. What is the final concentration? Assume the volumes are additive

Answer 1

The answer is attach below