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Chemistry, 14.11.2019 03:31 THEOUTCOMER
Abuffer is prepared by adding 150 ml of 1.0 m naoh to 250 ml of 1.0 m nah2po4. how many moles of hcl must be added to this buffer solution to change the ph by 0.18 units? assume the total volume remains unchanged at 400 ml. for h2po4-, ka2 = 6.3 × 10^-8.
o 0.063 mol
o 1.0 mol
o 0.025 mol
o 0.082 mol
o 0.50 mol
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Abuffer is prepared by adding 150 ml of 1.0 m naoh to 250 ml of 1.0 m nah2po4. how many moles of hcl...
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