Question

How many grams of CaCl2 are need to prepare 250 mL of a 0.15M solution?

Answer 1

Here is what I got from reading this question...

Step-by-step explanation:

So if you dissolve 7.5625- g of CaCl2 in water, dissolve well and then add distilled in a 250- ml standard flask upto the mark and shake well for uniform Concentration, you will get 0.25- M CaCl2 solution.