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Problem- 3.00 g of a polymer is dissolved in an organic solvent. The volume of the solution is 150mL and an osmotic pressure of 76.0 torr is measured at 25oc. Calculate the molar mass of the polymer.
I am need of complete solution for this problem please help- me out to get right solution
A solution is prepared by adding 0.100g of solid NaCl to 50.0mL of 0.100 M CaCl2. What is the molarity of the chloride ion in the final solution. Assume that the volume of the final solution is 50.0 mL
54.0 mL of a 1.40 M solution is diluted to a volume of 218 mL. A 109-mL portion of that solution is diluted using 183 mL of water. What is the final concentration.
For the reaction: 2NO(g)+2H2(g)-->2H2O(g) at equilibrium in a 4.0L container at 25oC. Suppose 2.5 mol of each component initally is put into the container. At equilibrium 2.5 mol of NO is present. What is Kc for the reaction at the temperature?
A solution contains 3.90g of solute in 14.2g of solvent. what is the mass percent of the solute in the solution
Have a concentrated stock solution of HCl (2 M). If want to make 100 ml of 0.5 M HCl define how much of the original stock solution do needed
What mass of precipitate will form if 1.50L of concentrated Pb(ClO3)2 is mixed with 0.750L of 0.270 M NaI. Assume the reaction goes to completion.
What is the pH of this solution? What is the concentration of the molecular species H3PO4?
a student placed 10.5 of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
radio waves travel at the speed 3.00 108 msspeed of light. if saturn is 7.9 108 km from earth thendetermine how many
Reduce the production of hazardous waste and encourage recycling and reuse of hazardous materials by charging producers a tax or fee for each unit of waste generated.
calculate the amount of heat kcal released when 50.0g of steam at 100 degrees celcius hits the skin condenses and coos
A feed containing 15% by weight of solids is to be concentrated to 40 % solids using a double effect backward feed evaporator. The first effect is heated by steam at 413 K.
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