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posted by .

thanks for the last help, i got the right answer!!

i got this wrong... (answer is supposed to be 0.165 but i put 0.0652)

A sample of Na2CO3 weighing 0.2863 g is dissolved in 50 mL of water and an endpoint is reached when 32.83 mL of HClO4 has been added. Calculate the molarity of the HClO4 solution.

  • chemistry... -

    ah please ignore, i got it!!

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