What is the pH of a solution of the buffer containing 0.0090 M HC5H5NCI and 0.0082...
How many mL of the titrant HBr is needed to titrate 8.41 mL of 0.044 M NH2CI, if the molarity of the titrant is 0.088? What is the pH of a solution that contains 0.50 M H3PO4 and 0.89 M NaH2PO4? The Ka of H3PO4 is 7.5x10-3. How many mL of the titrant HBr is needed to titrate 8.41 mL of 0.044 M NHCl, if the molarity of the titrant is 0.088? What is the pH of when 0.066 L...
Tries remaining Pants out of 10 p u esto What is the pH of a solution of the buffer containing 0.004 M HCNO and 0.062 M NaCNO? The K of HCNO is 2.0x10-4 Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Answer: Check Question 14 What is the ratio of base to acid needed to obtain a pH of 4.51 for buffer containing HCSHENCI and CsH5N? The Ka of HC.HSN is 5.88x10-6 Multiple...
What is the pH of when 0.047 L of 0.0082 M HCN is titrated to its equivalence point with 0.085 L of NaOH? The Ka of HCN is 4.9×10–10.
What is the pH of when 0.019 L of 0.0040 M HCN is titrated to its equivalence point with 0.098 L of NaOH? The Ka of HCN is 4.9x10-10 Multiple tries are permitted; however, 20% (1 /5 ) point will be deducted for each incorrect response
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Question 20 Tresma ? Points out of 100 question What is the pH of when 0.073 L of 0.0086 M HCN is titrated to its equivalence point with 0.099 L of NaOH? The Ka of HCN is 4.9x10-10 Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response.
Calculate the following: a. The pH of a 500.0 mL buffer solution containing 0.75 M HCN (Ka = 6.2 x 10^-10) and 0.55 M NaCN b. The pH of the above buffer after the addition of 100.0 mL of 1.0 M NaOH. c. The pH of the buffer if 100.0 mL of 1.0 M HCl was added to the solution in part a.
What is the pH of a buffer solution containing 0.13 M HF and
5.0×10−2 M NaF?
What is the pH of a buffer solution containing
1.0×10−2 M HF and 0.16 M NaF?
Using the table given below for Ka values, compare the pH of an HF buffer that contains 0.13 MHF and 5.0x10-2 M NaF with another HF buffer that contains 1.0x10-2 MHF and 0.16 M NaF. Ka and K b values for selected weak acids and bases HF Acid...
What is the pH of a solution of the buffer containing 0.0085 M HC5H3NCI and 0.0077 M CsHsN? The Koof HCHEN is 5.88x10-6 Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response.
What is the ratio of base to acid needed to obtain a pH of 4.02 for buffer containing HCNO and NaCNO? The Ka of HCNO is 2.0×10–4.
please include the work for each oart , as im trying to
practice to get a better understanding
part 1
part 2
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What is the pH of a solution of the buffer containing 0.0005 M HU5H5NUI NU UUUUU IV C5H5N? The Ką of HC5HsNt is 5.88x10-6 Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Select the correct answer to the questions below with regards to...