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  • 25-08-2022
  • Physics
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100.0 ml of a buffer which is 0.25 m in hcn and 0.25 m in kcn has 20.0 ml of 1.0 m hcl added to it. what is the ph after the hcl has been added? (ka= 4.9 x 10-10for hcn)

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