JEE Main202528 Jan 2025Evening ShiftChemistrySome Basic Concepts of ChemistryActual
Concentrated nitric acid is labelled as 75 % by mass. The volume in mL of the solution which contains 30 g of nitric acid is ____. Given : Density of nitric acid solution is 1.25 ~g / mL .
Options
- A40
- B32
- C45
- D55
Correct answer
B. 32
Step-by-step solution
75 % by mass means : 75 ~g HNO ₃ in 100 g solution. 30 ~g HNO ₃ in 100 75 30 ~g solution. aligned & m _ solution = 100 30 75 ~g & ~V _ sol = m _ sol d _ sol = 100 30 75 1.25 =32 ~mL aligned