Question

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

Answer 1

Answer: c- 6.00 m

Explanation:

got it right on edge

Answer 2

(c) 6.00 M

Explanation:

The given equation can be solved for the unknown concentration.

__

`m_iv_i=m_fv_f\\\\m_i(35.0\text{ ml})=(1.40\text{ M})(150.0\text{ ml})\\\\m_i=\frac{(1.40\text{ M})(150.0\text{ ml})}{35.0\text{ ml}}\\\\\boxed{m_i=6.00\text{ M}}`

The concentration of the stock solution is 6 M.