Question

What will be the molarity of 30 mL of 0.5 M `H_2SO_4` solution diluted to 500 mL ?
A. 0.3 M
B. 0.03 M
C. 3 M
D. 0.103 M

Answer 1

Correct Answer - B
`V_1`=30 mL , `M_1`=0.5 M, `V_2`=500 mL, `M_2`=? , `M_1V_1=M_2V_2`
0.5 x 30 = `M_2 xx500` or `M_2`=0.03 M