Question

Hello, I am stuck stuck with 3 chemistry questions please help me :(
1st question:
In a magnesium chloride solution where the chlorine ion concentration is 0.020 mol/L, what is the concentration of the solute, in mol/L?

2nd question:
In a 0.02 mol/L iron (III) sulfate solution, what is the molar concentration of the iron ion, in mol/L?

3rd question:
486 mL of distilled water is added to 106 mL of a 0.15 mol/L solution of nitric acid. What is the new concentration of the acid, in mol/L?

Answer 1

Answer:

magnesium chloride

Explanation:

0.020 / 10

20 the concentration of solution is 20