For 500 0 mL of a buffer solution that is 0 185 molL1 inC2H5NH2 and 0 ...

For 500.0 mL of a buffer solution that is 0.185 molLâˆ’1 in C2H5NH2 and 0.175 molLâˆ’1...

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Chemistry

For 500.0 mL of a buffer solution that is 0.185 molLâˆ’1 inC2H5NH2 and 0.175 molLâˆ’1 in C2H5NH3Cl, calculate the initial pH andthe final pH after adding 0.020 mol of HCl.

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Method One a HONH2 H2O HONH3 OH Before add HCl 0400 0 trace After add HCl 0380 0020 trace Kb HONH3OHHONH2 00200380OH 11E8 OH 0209E6 pOH 668 pHpOH 14 pH 732 b HONH3Cl is the acid in this conjugated acidbase couple Hence the added HCl will not react with HONH3Cl and H3O 0020 H3O 0020 Therefore pH See Answer

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For 500.0 mL of a buffer solution that is 0.185 molLâˆ’1 in C2H5NH2 and 0.175 molLâˆ’1...

60.2K

Verified Solution

Question

Chemistry

For 500.0 mL of a buffer solution that is 0.185 molLâˆ’1 inC2H5NH2 and 0.175 molLâˆ’1 in C2H5NH3Cl, calculate the initial pH andthe final pH after adding 0.020 mol of HCl.

Answer & Explanation Solved by verified expert

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