Question 12 7 pts At room temperature, the density of water is 1.0 g/mL and the density of ethanol (C₂H5OH) is 0.780 g/m

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Question 12 7 Pts At Room Temperature The Density Of Water Is 1 0 G Ml And The Density Of Ethanol C H5oh Is 0 780 G M 1 (17.61 KiB) Viewed 64 times

Question 12 7 Pts At Room Temperature The Density Of Water Is 1 0 G Ml And The Density Of Ethanol C H5oh Is 0 780 G M 2 (23.94 KiB) Viewed 64 times

Question 12 7 Pts At Room Temperature The Density Of Water Is 1 0 G Ml And The Density Of Ethanol C H5oh Is 0 780 G M 3 (21.43 KiB) Viewed 64 times

Question 12 7 Pts At Room Temperature The Density Of Water Is 1 0 G Ml And The Density Of Ethanol C H5oh Is 0 780 G M 4 (21.45 KiB) Viewed 64 times

Question 12 7 pts At room temperature, the density of water is 1.0 g/mL and the density of ethanol (C₂H5OH) is 0.780 g/mL. What volume of ethanol contains the same number of molecules as are present in 253 mL of water? Upload Choose a File
Question 13 7 pts A student prepared a stock solution by dissolving 12.8 g of sodium carbonate in enough water to make 120.0 mL of solution. She then took 15.0 mL of the stock solution and diluted it with 165 mL of pure water. What is the concentration of sodium carbonate for the final solution? Upload Choose a File
Question 14 Consider a syringe containing trapped gas under a particular P. V. T set of conditions. Illustrate how the pressure would change if the volume were doubled while the absolute temperature was halved. Upload Choose a File 7 pts
Question 15 7 pts Nitrogen is present in a 2.50-litre flask at a pressure of 4.60 x 10^-2 mmHg at -20.0°C. Calculate the number of nitrogen molecules in the flask. Upload Choose a File