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u A solution is 17 mL ethanol in 48 mL of solution. What is the percent...
A solution is 5.00% by volume of ethanol dissolved in water. How many mL of ethanol are in 500.0mL of the solution? Your answer should have three significant figures.
A solution is 5.00% by volume of ethanol dissolved in water. How many mL of ethanol are in 500.0mL of the solution? Your answer should have three significant figures.
What is the molarity of 500 mL of a solution containing 48 g of NaHCO3? Express your answer to two significant figures and include the appropriate units.
Add 1.5 mL of the 1.0%(v/v) ethanol (mL) to 8.5 mL of deionized water. The ethanol standard in the test tube will have a final concentration of ____ %(v/v) ethanol? Add 1.0 mL of wine that has been diluted by a factor of 100, to a test tube and add 20 drops of sulfuric acid to it. The concentration of the diluted wine sample was found to be 0.23%(v/v) ethanol. Using the procedure stated, what was the original concentration of...
20.5 mL of mouthwash was used in the distillation experiment, The volume ethanol in the distillate determined is 5.36 mL. The volume percent of ethanol in mouthwash is 96. Round your answer to the correct number of significant digits. Use the equation below to calculate the volume percent of ethanol in mouthwash Volume % of ethanol in mouthwash-volume of ethanol in the distillate/volume of mouthwash) X 100%
The density of an aq solution containing 10.0 percent ethanol by mass is 0.984g/ml. Calculate the molality if this solution. b.) Calculate its molarity. c.) What volume of the solution would contain 0.125 mole of ethanol?
A 48.8-mL sample of a 7.8 M KNO3 solution is diluted to 1.20 L . 1.What volume of the diluted solution contains 10.0 g of KNO3? (Hint: Figure out the concentration of the diluted solution first.)Express your answer using two significant figures. 2. To what volume should you dilute 130 mL of an 8.00 M CuCl2 solution so that 50.0 mL of the diluted solution contains 5.7 g CuCl2? Express your answer using two significant figures.
What is the partial molar volume of ethanol (in units of mL/mol) in a solution with water if 168 mL of ethanol is added to 650. mL of water and the volume increases by only 153 mL ? Take the density of ethanol to be 0.789 g/mL.
a.)Calculate the mass percent (m/m) of a solution prepared by dissolving 47.97 g of NaCl in 170.1 g of H2O. Express your answer to four significant figures. b). Vinegar is a solution of acetic acid in water. If a 285 mL bottle of distilled vinegar contains 17.8 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures. c.)Calculate the mass/volume percent (m/v) of 19.0 g NaCl in 48.0 mL of...
a. Calculate the mass percent (m/m) of a solution prepared by dissolving 43.83 g of NaCl in 168.6 g of H2O. Express your answer to four significant figures. b. Vinegar is a solution of acetic acid in water. If a 125 mL bottle of distilled vinegar contains 31.3 mL of acetic acid, what is the volume percent (v/v) of the solution? Express your answer to three significant figures c. Calculate the mass/volume percent (m/v) of 18.5 g NaCl in 71.5...