If a 250. mL sample of the above buffer solution initially has 0.0800 mol H2C6H5O7- and...

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If a 250. mL sample of the above buffer solution initially has 0.0800 mol H2C6H5O7- and...

If a 250. mL sample of the above buffer solution initially has 0.0800 mol H2C6H5O7- and 0.0600 mol HC6H5O72- , what would be the new concentration of HC6H5O72- after 25.0 mL of 0.125 M NaOH is added to the buffer?

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Answer 1

Answer #1

moles of HC G H OP = 0.0600 mol moles of H2CGH-07=000800 mol moles of oH added 0.125x25 -0.003125 mol 1000 New moles of HCOMO

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