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Calculate the molarity of a sodium hydroxide solution if a 0.7216 g sample of KHP was dissolved in 50 mL of water and titrated with 24.71 mL of sodium hydroxide to a phenolphthalein end point.
calculate the mass (g) of the excess reactant after thereaction is complete e. calculate the theoretical yeild (g) of 2,2dibromopropane
Deficiency of phosphoglyceromutase d) mutation that interferes with the formation of quarternary structure in hemoglobin
A section of membrane with an aquaporin (AQP) has a water transport rate of about 3 billion water molecules per second (3 × 109 molecules·s-1).
In Europe, gasoline efficiency is measured in . If your car's gas mileage is 38.0 , how many liters of gasoline would you need to buy to complete a 142- trip in Europe. Use the following conversions:
Determine the concentration of a solition prepared by diluting 25mL of a stock 0.188M Ca(NO3)2 solution to 150mL
Find the pH of the equivalence points and the volume of 0.0372 M NaOH needed to reach it in titrations of
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air.
Which of the following statement(s) describes the pressure of gas? a) the force of gas partials on the walls of the container; b) the number of gas particals in a container; c) the volume of the container; d) 3.00 atm; e) 750 torr.
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 6.26
When a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter, the temperature of 100.0 g of water surrounding the reaction increased from 25.0°C to 31.5°C.
Write the rate law for this version of the iodine clock reaction. Could the rate law have been predicted using the coefficients in the balanced equation? Explain
When 0.052 mol of aluminum sulfate are dis- solved in enough water to make 179 milliliters of solution, what is the molar concentration of aluminum ions?
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