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Calculate the pH of a 0.36 M solution of NaHSO4. If solid Na2CO3 is added to a solution of NaHSO4, what reaction occurs between the CO32- and HSO4? ions?
Analysis of an unknown solution produces absorbance values of: 0.45 @ lambda max for B 0.75 @ lambda max for A What is the molar concentration of the unknown
Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution
A twofold increase in the initial concentration of A leads to a 1.41-fold increase in the initial rate. what is reaction order
Calculate the molarity of a 97.12 wt% acetic acid solution given that the solution density is 1.05 g/mL
element symbols and chemical formulas.1.write chemical formulas for the following compounds.a. ethyl alcohol which
What is the pH of a solution that is prepared by dissolving 9.81 grams of acetic acid (60.05 g/mol) and 8.68 grams of sodium acetate (82.03 g/mol) in water and diluting to 800 mL.
a flask containing 352 ml of gaseous nitrogen is collected over water at a temperature of 22 degree Celsius. the total pressure of the gases was 742 mm Hg. how many grams of nitrogen were collected?
What type of transport is used to take up the ribose in I. facto and in your answer,explain all the data. What is the source of energy for the transport of the ribose?
how do you go from cyclopentane to 2 chloro cyclopentanol. specifically the formation of the the double bond
A patient is given 0.055mg of technetium -99m, a radioactive isotope with a half-life of about 6.0 hours.
How many grams of silica were in a 6.00 grams sample, if it took 34.1 mL of 0.95 M HCl to react with all of calcium carbonate
Prepare a standard of lidocaine in methanol with a final concentration of 1.00 mg/mL using the powder lidocaine/HCl. Show the calculations and explain how you take the salt form into account.
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