Concentrations of the major species present

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Calculate the concentrations of the major species present in a buffer solution prepared by adding 1.4 grams of NaOH to 140ml of 0.750 M NH4Cl?

Please explain what the hell I am supposed to do with this information? How do I know what the major species are going to be and how do I calculate?

Reference no: EM131795635

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Concentrations of the major species present : Calculate the concentrations of the major species present in a buffer solution prepared by adding 1.4 grams of NaOH to 140ml of 0.750 M NH4Cl?
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