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Calculate the molarity (M) of a solution of the strong base RbOH if the pH is 10.4.
A solution of CH2Cl2 in the solvent (C2H5)2O has a mole fraction of methylene chloride of 0.302. What mass (g) of the solution must be taken if 1050 g of CH2Cl2 is needed
what does the Fluid Mosaic Model say about the structure and composition of a cell's membrane. Why would water molecules or a metabolic compound like Acetyl-CoA, need a transport protein to move rapidly and in large quantities across a membrane
a tube containing hydrogen gas is attached to a device that supplies energy to the atoms. some of the atoms have
Ammonia gas at 223°C and 90. atm flows into a reactor at a rate of 550. L/min. Carbon dioxide at 223°C and 47 atm flows into the reactor at a rate of 600. L/min. What mass of urea is produced per minute by this reaction assuming 100% yield?
If the theoretical yield for a reaction was 156 grams and I actually made 122 grams of the product, what is my percent yield
you have a stock solution of 14.8m ammonia. determine how many milliliters of this solution should you dilute to make
A quantity of 432 mg of an amino acid with a neutral side chain consumes 7.39 mEq of acid as well as base in the titration range of 0.8 to 12.0. Explain what is the name of the amino acid
In an expriment, a student burned this compound in an excess of oxygen and found that it evolved 3651 KJ of hea per mole of P4S3 at a constant pressure of 1 atm. she wrote the following thermochemical equation: P4S3(s) + 8O2 (g) --> P4O10(s)+3SO2...
consider the reaction CO2+H2=CO+H2O.The equilibrium concentrations are [CO]= 0.050M, [H2]=0.045M, [CO2]=0.086M, and [H2O]= 0.040M. Calculate K .
Problem- A solution that was made by dissolving 9.81 g of a nonvolatile molecular compound in 90.0 g of water boiled at 100.37 degrees Celsius at 1.00 atm. What is the approximate molar mass of the substance. (For water, Kb=0.521 degrees Celsius/m..
How many grams of KCl are contained in 750.0 mL of a 0.250 Molarity solution
What is the molar mass of this gas?
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