Question

How many ml of 2.50 m hno3 are needed to prepare a 75.0 ml of 1.00 m hno3?

Answer 1

M1 * v1 = m2 * v2 
2.50 * v1 = 1 * 75 
2.50 * v1 = 75
2.50 * v1 /75= 75/75
v1= 30 ml

The Answer is 30 ml