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1) A buffer contains significant amounts of ammonia and ammonium chloride. Part A Write an equation...

1) A buffer contains significant amounts of ammonia and ammonium chloride.

Part A

Write an equation showing how this buffer neutralizes added acid (HI).

Express your answer as a chemical equation.

Part B

Write an equation showing how this buffer neutralizes added base (CsOH).

Express your answer as a chemical equation.

2)

Calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH = 10.20.

Express your answer using two significant figures.

3) A 1.0-L buffer solution is 0.125 M in HNO2 and 0.165 M in NaNO2.

Part A

Determine the concentrations of HNO2 and NaNO2 after addition of 1.3 g HCl.

Express your answers using three significant figures separated by a comma.

Part B

Determine the concentrations of HNO2 and NaNO2 after addition of 1.3 g NaOH.

Express your answers using three significant figures separated by a comma.

Part C

Determine the concentrations of HNO2 and NaNO2 after addition of 1.3 g HI.

Express your answers using three significant figures separated by a comma.

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