Dilutions

You have a 0.5 M MgSO₄ stock solution available.  Calculate the volume of the stock solution needed to make 2.0 L of 0.20 M MgSO₄.

• 0.8 L
• 5 L 
• 0.1 L
• 0.5 L

Tags

NGSS.HS-PS1-7

If I add water to 100.0 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be?

• 0.23 M
• 0.10 M
• 1.0 x 10⁵ M
• 1.0 M

Tags

NGSS.HS-PS1-7

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO_3 to a volume of 250. mL?

• 15.9 M
• 0.636 M
• 0.642 M
• 1.59 M

How much 1.50M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?

• 150. mL

• 151 mL

• 1.00 L

• 2.42 mL

How many mL of 10.8M HCll are required to make 100.0 mL of 3.00M acid?

• 27.8 mL
• 27.58 mL
• 2.8 mL
• 278 mL

Tags

NGSS.HS-PS1-7