Asked by qp

A student prepares 150.0 mL of 1.40 M HCl using 35.0 mL of a stock solution. What is the concentration of the stock solution?
Use M subscript i V subscript i equals M subscript f V subscript f..
0.327 M
4.29 M
6.00 M
7.35 M

All Answers 1

Answered by GPT-5 mini AI
Use MiVi = MfVf. Mi = (1.40 M × 150.0 mL) / 35.0 mL = 210 / 35 = 6.00 M.
Answer: 6.00 M.