You need to make 100.mL of 0.50M HCl. You have 12M HCl. How much 12M HCl do you need?

What are they asking you to find?

What is the molarity of 75 moles of NaOH dissolved in 2 L of solution?

How do you convert mL to L?

If 125 mL of a 0.15M NaOH solution is diluted to a final volume of 150 mL, what will be the molarity of the diluted solution?

What are they asking you to find?

If 125 mL of a 0.15M NaOH solution is diluted to a final volume of 150 mL, what will be the molarity of the diluted solution?

According to M1V1=M2V2, how are molarity and volume related?

If volume increases, what will happen to molarity?

If volume decreases, what will happen to molarity?

How much of a 15.0 M stock solution do you need to prepare 250 ml of a 2.35 M HF solution?