1. What is the molarity of a solution in which 0.0300 moles of aluminum chloride

Question

1. What is the molarity of a solution in which 0.0300 moles of aluminum chloride are dissolved in a total volume of 100.OmL? 2. how many grams of sodium iodide would you get if you removed the water from 200.0 mL of a 0.300 M solution? 3. How many ammonia molecules arc in 120.OmL of 0.150M ammonia? 4. What is the molarity of a solution of H2SO4 if 5.0mL of 0.800M h1:S04 is diluted to 300.OmL? 5. Describe how you would prepare 200.0 mL of 0.200M sodium carbonate from the solid? 6. Describe how you would prepare 250.00mL of 0.250M hydrochloric acid from 1.00 M stock? 7. What is the molarity of chloride ion in a solution made by dissolving 1.250g of barium chloride in a total volume of 500.0 m L? 8. What is the molarity of sodium ions in a solution made by diluting 1.00 mL of 1.00M sodium phosphate to 300.OmL? 9. What mass of calcium phosphate can be produced from the reaction of l0.OOmL of 0.550M H3PO4 with excess calcium hydroxide? 10. What is the concentration of a solution of sulfuric acid if 10.00 mL of it ?s titrated with 35.64mL of 0.0950M potassium hydroxide? 12. What mass of potassium nitrate can be produced from the reaction of 25.00 mL of 0.10M nitric acid with 10.00mL of 0.25M potassium carbonate?

Explanation / Answer

1) 0.3M

2) 9gm

3) 0.018

4) 0.013M

5) by taking 4.24gms of Na2CO3

6) by adding 187.5ml of water to 250ml 0.25M solution

7) 0.024M

8) 9x10-3M

9) 1.7gm

10) 0.169M

12) 0.25gm

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