1. A solution is prepared by dissolving 12 grams of turmeric powder in 350 grams of water. Calculate the mass percent of each component of the solution. 2. 30 grams of ethyl alcohol (C2H,OH) is dissolved in 75 grams of water. Calculate the mole fraction of ethyl alcohol and water in the solution. 3. A solution is prepared by dissolving 51.30 g of NH.CI (ammonium chloride) into enough water to make 600 ml of solution. Calculate its molarity. 4. Calculate the molality of a solution prepared from 30.25 grams of NaOH (sodium hydroxide) in 5.00 kilograms of water. 5. If a beaker contains 2.0 moles of water. How many grams of water are the beaker?
1. A solution is prepared by dissolving 12 grams of turmeric powder in 350 grams of water. Calculate the mass percent of each component of the solution. 2. 30 grams of ethyl alcohol (C2H,OH) is dissolved in 75 grams of water. Calculate the mole fraction of ethyl alcohol and water in the solution. 3. A solution is prepared by dissolving 51.30 g of NH.CI (ammonium chloride) into enough water to make 600 ml of solution. Calculate its molarity. 4. Calculate the molality of a solution prepared from 30.25 grams of NaOH (sodium hydroxide) in 5.00 kilograms of water. 5. If a beaker contains 2.0 moles of water. How many grams of water are the beaker?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 127QRT
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Transcribed Image Text:1. A solution is prepared by dissolving 12 grams of turmeric powder in 350
grams of water. Calculate the mass percent of each component of the
solution.
2. 30 grams of ethyl alcohol (C2H,OH) is dissolved in 75 grams of water.
Calculate the mole fraction of ethyl alcohol and water in the solution.
3. A solution is prepared by dissolving 51.30 g of NH.Cı (ammonium
chloride) into enough water to make 600 mL of solution. Calculate its
molarity.
4. Calculate the molality of a solution prepared from 30.25 grams of NaOH
(sodium hydroxide) in 5.00 kilograms of water.
5. If a beaker contains 2.0 moles of water. How many grams of water are
the beaker?
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