Dilution

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 250. mL?

• 15.9 M
• 0.636 M
• 0.642 M
• 1.59 M

Tags

NGSS.HS-PS1-7

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

• 27.8 mL
• 27.78 mL
• 2.8 mL
• 278 mL

How many milliliters of concentrated 18M H₂SO₄ is needed to prepare 250 mL of a 6.0 M solution?

• 83.3 mL
• 0.083 L
• 1500 mL
• 1.5 L

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 MgSO₄.

• 0.8 L
• 5 L 
• 0.1 L
• 0.5 L

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ and  to 500. mL?

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M

Calculate the number of moles of the following solution:  1.0 L of 0.50 M NaCl.

• 2.0 mol 
• 0.70 mol 
• 2.0 mol 
• 0.50 mol 

Calculate the molarity of the following solution:  1.0 moles of KCl in 750.0 mL of solution.

• 0.750 M
• 99 M
• 1.3 M
• 2.0 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
• 100. mL

If 253.96 g Ag_2S forms from the previous reaction, what molarity of AgCl was used if you used 189.4 mL?

• 2.049 M
• 10.82 M
• 1.024 M
• 0.1894 M

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons