If you want to prepare 5.0 liters of a 0.25 M solution of NH4Cl, how many grams of the salt should you weigh out?

If you want to prepare 5.0 liters of a 0.25 M solution of NH4Cl, how many...
Enter your answer in the provided box. If you want to prepare 0.50 liters of a 0.25 M solution of NaNO3, how many grams of the salt should you weigh out?
For this experiment you want to prepare a 0.10 M solution of sodium hydroxide. How many grams of sodium hydroxide must be added to give you 500.0 mL of that solution?
How many grams of potassium chloride are needed to prepare 4.000 liters of a 0.2500 M solution?
How many grams of K2SO4 must you weigh out if you want to make 150 mL of a 0.50 M K2SO4 solution?
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.500 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
How many grams of dry NH4Cl need to be added to 1.70 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.62? Kb for ammonia is 1.8×10−5.
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.500 M solution of ammonia, NH3,to prepare a buffer solution that has a pH of 8.79? Kb for ammonia is 1.8*10^-5.
How many grams of dry NH4Cl need to be added to 2.30 L of a 0.100 M solution of ammonia,NH3, to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8x 10^-5.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.400 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.67? Kb for ammonia is 1.8×10−5.
How many grams of dry NH4Cl need to be added to 2.40 L of a 0.400 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.78? Kb for ammonia is 1.8 x 10^-5.