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Question- An aqueous solution of solute A (110g/mol) has a density of 1.36 g/mL. The molality of the solution is 8.51m. If 2.00 mLs of this solution is transferred to a 500 mL volumetric flask and diluted to volume with water, what is the percent A by weight, the ppm A, and the molarity of the solution? What is the mole fraction of water?
I initiate a new molarity of .02 M however has gotten stuck on where to go from here. Please illustrate steps.
A coffee cup calorimeter contains 28.32 g of water, at 20.2 deg C. Then 79.68 g of water, with an initial temperature of 65.8 deg C, was added to the calorimeter. The final temperature of the water in the calorimeter was 23.5 deg C. What is the he..
Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2
The Carbohydrate content of a glycoprotein is determined to be 12.6, 11.9, 13.0, 12.7, 12.5 g of carbohydrate per 100 g protein in replicate analysis.
Ballon filled with 500.0 mL of helium at atemp of 27 degrees C and 755 mmHg. As the ballon risesin the atmosphere , the temp & pressure drop. What volume will it have when it reaches an altitude where the temp is - 33 degrees celcius and the press..
This solution is to be prepared by allowing water at a set pH to reach equilibrium with solid Fe(OH)3. What pH should be used for the aqueous solution to give this desired concentration of [Fe3+]
a 7.5- sample of hydrogen gas completely reacts with 60.0 of oxygen gas to form 67.5 of water. is the following data
Write the equation for the conversion of the fatty acid linoleic acid [CH3-(CH2)4-CH=CH-CH2-CH=CH(CH2)7-COOH] into its methyl ester.
What mass of silver iodide can be made by the reaction of 10.0 g of Silver nitrate (AgNO3) with 10.0 g of sodium Iodide (NaI)? Ag+(aq) + I-(aq) ---> AgI (s)
A 25.0-mL aliquot of vinegar was diluted to 250 mL on a volumetric flask. Titration of 50.0-mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) ..
A 30 g sample of water at 280 K is mixed with 50 g of water at 330 K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Problem- table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 3.50-g sample is burned, and 3.20 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture
Calculate the amount of vitamin C in mg that are titrated by one milliliter of the 0.05N iodine solution.
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