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Write a formula for the conjugate base formed when each of the following behaves as a bronzed acid.
1. HSO3-2. HPO42-
If 4 g of CuSO4 is dissolved in 9.0x10^2 mL of 0.40 M aqueous NH3, what are the concentrations of Cu2+, Cu(NH34 2+, and NH3 at equilibrium? (Kf = 5x10^13)
What is the boiling point of a solution of 30.20 g of ethylene glycol, HOCH2CH2OH, in 88.40 g of phenol?
420 g of butane reacts with 1510 g of oxygen to produce 1390 g of carbon dioxide and 652 g of water.What is wrong with this description?
Understanding Vapour Pressure, Which would you expect to exhibit the highest vapor pressure at room temperature?
What is the concentration of chromium ion present in a 0.01976 M solution of potassium hydroxide in contact with a large excess
The pressure in the eye of a hurricane is less than atmospheric pressure. Which one of the following pressure readings could not have been taken
The goal of the recrystallization procedure is to obtain purified material with a maximum recovery. For each of the following situations, explain why this goal would be adversely affected.
The protein in a 1.285-g sample of an oat cereal is determined by the Kjeldahl procedure for organic nitrogen. The sample is digested with H2SO4, the resulting solution made basic with NaOH
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.538 grams of iron and 13.0 mL of 0.40M copper(II) sulfate react to form as much product as possible.
A solution of ammonia and water contains 4.70×10 water molecules and 5.50×10 ammonia molecules. How many total hydrogen atoms are in this solution?
The magnesium and calcium ions present in seawater([Mg2+] = 0.059 M and [Ca2+] = 0.011 M) can be separated by selective precipitation with KOH.
The half-life of plutonium-239 is 24,100 years. How long will it take for a 100 g sample of plutonium to be reduced to 25 g?
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