Answer to Question #68939 in Chemistry for DEEPENDRA SINGH

Question

in a aquas solution of concentrate HBr acid , HBr is 48% of total mass.if its density is 1.50gram per ml then what is the value of its concentration?

Answer 1

Solution
M(HBr)=80.917 g/mol.
The concentration is
(1000mL/L)(1.5 g/mL)(0.48)(1/(80.917 g/mol))=8.9 mol/L.
Answer: 8.9 mol/L.