Question

00:31:31 :22. 20 - 12 13 14 15 A 150 mL quantity of 0.75 M HNO, is added to 80 ml of 0.25 M H2SO4 What is the concentration of H in the resulting solution? O 0.075 M O O O O 0.18 M 0.42M 0.54 M O O 0.66 M BACK NEXT > SUBMIT COMPLETED QUIZ

Answer 1

1)

millimoles of HNO3 = 150 x 0.75 = 112.5

millimoles of H2SO4 = 80 x 0.25 = 20

[H+] concentration = (112.5 + 2 x 20) / 150 + 80

                              = 0.663 M

concentration of [H+] = 0.66 M