Solid Grade
Suppose a sodium hydroxide solution should be standardized against pure primary standard grade KHP solid. If?
0.4538 g 44.12 mL of KHP requres sodium hydroxide to reach an endpoint phenophthalein, what is the molarity of the NaOH? Thank you soo much for help (in advance)!
and the equation of the molarity of the NaOH solution to obtain this information would be ... weight KHP / (molar mass of KHP) x (volume of NaOH) *** the molecular weight is 204.22 grams KHP / mol *** so do not forget to change 44.12 ml to 0.04412 L ... then you would (0.4538g KHP) / (204.22 g / mol KHP) x (0.04412 L NaOH) = 0.0504 M NaOH
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