Volume of concentrated reagant required to prepare diluted solutions below: 16 M H3PO4 to prepare 921 mL of 5.0 M H3PO4 16 M H2SO4 to prepare 255 mL of 6.5 M H2SO4 18 M HNO3 to prepare 196 mL of 0.33 M HNO3 15 M NH3 to prepare 75 mL of 2.1 M NH3
Volume of concentrated reagant required to prepare diluted solutions below:
16 M H3PO4 to prepare 921 mL of 5.0 M H3PO4
16 M H2SO4 to prepare 255 mL of 6.5 M H2SO4
18 M HNO3 to prepare 196 mL of 0.33 M HNO3
15 M NH3 to prepare 75 mL of 2.1 M NH3
Given
Four different diluted solutions whose volume of concentrated reagent is to be determined.
Solution
Formula
Volume of conc. solution(V1)*Molarity of conc. solution(M1) = Volume of dil. solution(V2)*Molarity of dil. solution(M2)
V1 =
For 16 M H3PO4 to prepare 921 mL of 5.0 M H3PO4
V1 =
V1 = 287.81 mL
For 16 M H2SO4 to prepare 255 mL of 6.5 M H2SO4
V1=
V1 = 103.59 mL
For 18 M HNO3 to prepare 196 mL of 0.33 M HNO3
V1 =
V1 = 3.59 mL
For 15 M NH3 to prepare 75 mL of 2.1 M NH3
V1 =
V1 = 10.50 mL
Step by step
Solved in 3 steps