Molarity DOL

What is the formula for molarity?

• moles/grams
• moles/kilograms
• moles/milliliters
• moles/liters

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 1.07 gram
• 62.7 mol
• 1.07 mol
• 62.7 grams

How many of moles of NaCl would be needed to prepare 1.24 Liters of a 0.13 M solution?

• 0.1612 moles of NaCl

• 0.104 moles of NaCl

• 9.54 moles of NaCl

What is the volume, in liters, of a 2.3 M solution that contains 3 moles of NaF?

• 1.30 L

• 2.3 L

• 6.9 L

• 6.9 mL

If 20 grams of NaF are used to make a 3.0 Liter solution. What is the concentration (Molarity) of the solution?

• 0.16 M

• 62 M

• 7 M

• 0.23 M

Why is water a polar molecule?

• Because it has a two different magnetic poles

• Because it has a positive charge and a negative charge

• Because its cold in one side and warm on the other

If 15 grams of MgO are used to make a 2.5 Liter solution. What is the concentration (Molarity) of the solution?

• 0.37 M

• 0.15

• 38M

• ehh