In the Kjeldahl nitrogen determination, the final product is a solution of NH4 in HCl solution. It

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In the Kjeldahl nitrogen determination, the final product is a solution of NH4 in HCl solution. It is necessary to titrate the HCl without titrating NH4.
a. Calculate the pH of pure 0.010 M NH4Cl.
b. Select an indicator that would allow you to titrate HCl but not NH+4.
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