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Sketch the titration curve for carbonic acid H2CO3. Plot pH on the ordinate axis and relative equivalents of base added on the abscissa axis. Using this figure, indicate what the major species of the carbonate buffer will be at pH=2, pH = 7, and pH = 10? For carbonic acid, H2CO3, pK1 = 6.35 and pK2= 10.33
75.0 mL of a 1.80 M solution is diluted to a volume of 258 mL. A 129-mL portion of that solution is diluted using 187 mL of water.
Determine the molar mass of the nonelectrolyte if the osmotic pressure of the solution = 23.6 atm, also express your answerin g/mol?
Identify the major type of interactive force of MgF2? how do you find the major type of interactive force?
Calculate the initial rate for the formation of C at 25 degrees C , if [A]=0.50M and [B]=0.075M for reaction A+2B
what is the delta S in J/K*mole when 1.645 grams of methane (FW=16.04) at 0.1091 atm pressure is compressed by a factor of 8.064 at a constant temperature of 22.81
How many micrograms of fluoride are present in 2.0 g of a solution that has a fluoride concentration
If 20.0 mL of 0.12 M cobalt(II) nitrate is reacted with 15.13 mL of 0.097 M sodium phosphate, which of the two reactants will be left over and which will be completely consumed.
Calculate the pH of a buffer solution prepared by dissolving 0.200 moles of benzoic acid (C6H5COOH) and 0.450 moles of sodium benzoate (C6H5COONa in enough water to make 1.00 L of solution
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2?
If a 17.5 g sample of iron(III) oxide reacted with 5.00 L of carbon monoxide at 788 torr and 76 degrees celsius until one reactant is completely consumed, how many grams of iron are produced?
The proper concentration for an intravenous NaCl solution is 0.90 g NaCl per 100 mL of water (sometimes refered to as 0.90% m/v).
solution should you use if you want the molarity of the Cl- (aq) ions in the solution to be 0.100 M?
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