How to prepare 500 ml of potassium iodide?

How to prepare 500 ml of potassium iodide?

Molarity is the mass of solute in 1 L of solution: So, you would place 12 g of KI in a 500 mL volumetric flask and add enough water to dissolve the solid. Then you would add enough more water to reach the 500 mL mark. Note: The answer can have only two significant figures, because that is all you gave for the molarity of the KI.

What is the volume of potassium chloride in ML?

Question 1. 2.0 L of an aqueous solution of potassium chloride contains 45.0 g of KCl. What is the weight/volume percentage concentration of this solution in g/100mL? Question 2. 15 mL of an aqueous solution of sucrose contains 750 mg sucrose.

What is the purpose of potassium iodide ( KI )?

What is Potassium Iodide (KI)? KI (potassium iodide) is a salt of stable (not radioactive) iodine that can help block radioactive iodine from being absorbed by the thyroid gland, thus protecting this gland from radiation injury.. The thyroid gland is the part of the body that is most sensitive to radioactive iodine.

How to calculate the amount of solution made by dilution?

Calculating the amount of solution of a desired strength that can be made by diluting or concentrating (by evaporation) a specified quantity of a solution of given strength involves the following. How much 10% w/w (in grams) ammonia solution can be made from 1800 g of 28% w/w strong ammonia solution?

Molarity is the mass of solute in 1 L of solution: So, you would place 12 g of KI in a 500 mL volumetric flask and add enough water to dissolve the solid. Then you would add enough more water to reach the 500 mL mark. Note: The answer can have only two significant figures, because that is all you gave for the molarity of the KI.

What is the molarity of a solution of Ki?

To 225 mL of a 0.80M solution of KI, a student adds enough water to make 1.0 L of a more dilute KI solution. What is the molarity of the new solution? Suppose you have 125.0 mL of 0.400 M N aC l solution. This is too salty, so you dilute it by adding another 50.0 mL of water. What is the new concentration of N aC l in units of molarity?

How to prepare a 1 ppm solution of ammonium chloride in water?

You prepare 3.00 L of 0.250 M HNO3 from a stock of nitric acid that is 12.0 M. What volume of the stock solution will you require to make the dilute solution? a) 0.0625 mL b) 62.5 L c) 144 L d) 62.5 mL How could I prepare a 1 ppm solution of ammonium chloride in water?

How to calculate the dilution of calcium chloride?

A solution was prepared by dissolving 66.6 g of calcium chloride in enough water to make 175 mL of solution. This solution was then further diluted to a total of 550 mL with water.