Question

For the number 2 question. It is asking. How mnay ML of solute will be dissolved in a 435 ML of 5.4%V/V of HCI solutions.

Answer 1

5.4% v/v means 5.4 mL/100 mL so in 435 mL solution there will be
5.4 x (435/100) = ?
or
(x/435)*100 = 5.4%