Solubility, Molarity, & Dilutions

How many liters would you need to make a 1 M solution if you have 6 moles of Sodium Hydroxide?

• 2

• 3

• 4

• 6

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

Tags

NGSS.HS-PS1-5

If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add 560 mL more water to it?

• .188 M

• 3.78 M

• .304 M

• 1.76 M

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

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 95 ºC?

• 83 grams

• 75 grams

• 40 grams

• 12 grams

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

What is the solubility of calcium chloride at 10⁰C?

• 35 grams

• 62 grams

• 20 grams

• 30 grams

Tags

NGSS.HS-PS1-5

Molarity is ...

• grams of solute/deciliters of solvent.

• grams of solute/liters of solution.

• moles of solute/liters of solution.

• moles of solute/milliliters of solvent.

The solubility of Yb₂(SO₄)₃ ________________ with added temperature.

• increases

• decreases

• remains the same

At 80^oC, KBr's solubility is:

• 100

• 90

• 80

• 0

Tags

NGSS.HS-PS3-4