Do Now Take out HW to be checked Short Molarity Quiz tomorrow! Unit 2 Test next WED!
Molarity “BINGO” Teams of 2-3 Solve problems on separate sheet of paper If answer is on your card, write in the units and mark the box
Determine the molarity of 500. mL of a solution with 0 Determine the molarity of 500. mL of a solution with 0.35 mol of dissolved solute. 0.70 M
How many moles of MgSO4 are contained in 50. mL of a 3.0 M solution?
How many liters of water are needed to make a 4 M solution using 100 grams of LiBr?
How many grams of KNO3 are needed to prepare 25 mL of a 2.0 M solution?
A 200. mL sample of a solution contains 4. 0 g of NaOH A 200. mL sample of a solution contains 4.0 g of NaOH. What is its molarity? 0.50 M
How many moles of solute are contained in 3.0 L of a 1.5 M solution?
How many liters of solvent are required to make a 0 How many liters of solvent are required to make a 0.88 M solution using 25.5 grams of LiF? 1.12 L
How many grams of CaCl2 are dissolved in 80.0 mL of a 0.75 M solution?
What is the molarity of 300 mL of a solution that contains 0 What is the molarity of 300 mL of a solution that contains 0.60 mol of dissolved ammonia? 2 M
How many liters of water are needed to make a 0 How many liters of water are needed to make a 0.75 M solution using 75 grams of PbO? 0.45 L
What is the molarity of 5. 0 L of a solution containing 200 What is the molarity of 5.0 L of a solution containing 200. g of dissolved CaCO3? 0.40 M
How many grams of NaCl are needed to prepare 500. mL of a 0 How many grams of NaCl are needed to prepare 500. mL of a 0.400 M solution? 11.7 g
How many liters of water are required to make a 3 How many liters of water are required to make a 3.4 M solution using 78 grams of C3H8O? 0.38 L
What is the molarity of 750 mL of a solution that contains 40 What is the molarity of 750 mL of a solution that contains 40.0 g of dissolved CuSO4? 0.33 M
Solutions Mini Lab Pt 1
Making Solution B from A: Making C from A: Making D from A: Pour 100 mL from beaker A into beaker B Making C from A: Making D from A:
Why Dilutions are Important Stock chemicals are concentrated. We generally don’t use super concentrated chemicals in lab, so we dilute them Easier to dilute a solution than to make it more concentrated…
Dilutions Practice
Solutions Mini Lab Pt 2: Dilutions