Molarity and dilutions answers
[DOC File]Molarity Notes – H
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Molarity Notes – H. Chemistry Name _____ Reference the text pp. 418-421 of our text (omit Molality). Sample problems A, B and C are appropriate for our class as well as the practice problems at the bottom of p. 421. Molarity. means moles of solute dissolved per …
[DOC File]Molarity Worksheet
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Transfer your dilutions into test tubes: Pour each dilution into a separate test tube (fill the tube about 3/4ths of the way up). Use the peg rack to hold the 4 test tubes. Calculating Molarity: Before you take measurements using the spectrophotometer, you need to calculate the molarity for the original sample, as well as for each dilution.
[DOC File]Making Dilutions Worksheet
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If needed, you can find the molarity of a solution by the usual formula: M = moles of solute/ liters of solution. Use the formula and information above to solve the following problems. Show your work and watch labels. The first three problems are questions regarding molarity and the others involve the dilutions formula above.
[DOC File]Molarity Practice Problems
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Dilutions Worksheet. 1) 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? ... Calculate the molarity of this solution. b. If the solution is diluted to a volume of 2.75 L, determine its molarity. Answers: 1) 500 mL 2) 138.8 mL 3) 0.29 mol/L 4a) 1.61 mol/L 4b) 0.91 mol/L. Title: Molarity ...
[DOC File]Dilutions Worksheet
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8) I have 345 mL of a 1.5 M NaCl solution. If I boil the water until the volume of the solution is 200 mL, what will the molarity of the solution be? 9) How much water would I need to add to 500 mL of a 2.4 M KCl solution to make a 1.0 M solution? Dilutions Worksheet – Solutions
[DOC File]Solutions and Dilutions - University of West Alabama
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You could also make up the same molarity of NaCl by dissolving 5.845 g NaCl in 100 milliliter (mL) or 0.5845 g in 10 mL or 0.05845 g in 1 mL. To make up lesser concentrations, say 0.1 M, you would add 5.845 g NaCl in 1 liter (L) solution or 0.5845 in 100 mL or 0.05845 g in 10 mL or 0.005845 g.
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