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Calculate the pH of the 0.20 M NH/0.26 M NHCl buffer. What is the pH after the addition of 20.0 mL of 0.050 M NaOH to 90.0 mL of the buffer solution?
The Kb of ammonia is 1.8 x 10^-5. 7. Exactly 100 mL of 0.15 M HNO2 is titrated with a 0.15 M NaOH solution. What is the pH at the equivalence point? The Kb of NO2- is equal to 2.2 x 10^-11.
hydrogen gas is collected over water at 21 degrees C and an atmospheric pressure of 748 mm Hg. what is the partial pressure of hydrogen gas in the mixture
Consider the titration of 50.0 mL of 0.200 M HClO4 by 0.100 M NaOH. Calculate the pH after 37.7 mL of NaOH has been added.
When ethane (C2H6) reacts with chlorine (Cl2), the main product is C2H5Cl, but other products containing CI, such as C2H4CI2, are also obtained in small quantities.the formation of these other products reduces the yield of C2H5CI.
Calculate the number of moles of ions present in 66.8 g of a solution that is 2.11% Fe(NO3)3 by mass.
A list of compiled anhydrous masses for Na2CO3, CaSO4, and MgSO4 and I have to find the molar ratio of these anhydrous masses. The compiled list is from every section of chemistry, Different masses for different dates for each of the anhydrates
What is the volume occupied by one mole of helium at 0°C and 1 atm pressure?
isopentyl alcohol, how many grams of isopentyl acetate could you theoretically produce assuming only a 65% attainable yield?
How do I determine the concentration of 2 separate acids in a solution of water if I know the overall pH of the solution? There exists both formic acid and acetic acid in a 1 liter solution of water. The overall solution pH is stated as 4.0 and it ..
If 20.0 g acetylene is allowed to completely react with oxygen , how many g of O2 are reacted? 2C2H2 + 5O2→ 4CO2 + 2H2O
what are the ground state electron configuration of the elements in period 2 of this alternate reality?
What is the value of Kf for acetic acid, given that its freezing temperature is 16.6 C and its density is 1.049 g/mL? Experiments show that a solution prepared by dissolving 5.00 grams of water
Grignard reagents can act as both a nucleophile and a base. Consequently, what would you expect to happen if that during the preparation of the phenylmagnesium bromide Grignard reagent
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