Question 1
What is the concentration of HNO
3 in the
final solution when 70.0 mL of a 6.00 M HNO
3 solution is diluted with pure water to a total volume of 0.15 L?
◦ 12.6 M
◦ 2.80 M
◦ 1.75 M
◦ 3.57 × 10
-2 M
Question 2
How many milliliters of a 6.0 M HNO
3 solution are needed to make 0.25 L of a 3.5 M HNO
3 solution?
◦ 146 mL
◦ 119 mL
◦ 428 mL
◦ 686 mL