1 prepare 250 ml of a 6 wv solution 15 ml 2 what weight

Question

1. Prepare 250 mL of a 6% w/v solution. = 15 ml

2. What weight of NaOH is needed to prepare 120 grams of a 10% w/v solution?

3. What volume of a 10% stock solution is required to prepare 200 mL of a 1.5% solution?

4. What weight of NaOH would be required to prepare 3000 mL of 1.5 molar solution?

5. There are 160 g of H₂SO₄ in 400 mL of solution. What is the molarity of the solution?

6. Make 2 L of 0.17 N HCl.

7. Given 30 mL of H₂SO₄ diluted up to 500 mL, what would be the percentage v/v?

8. How would you make 1000 mL of 6 N HNO₃? (SG = 1.42; % purity = 70)

9. How much 6 N HCl could be made from 20 mL of 12 M HCl?