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The graduate student massed 1.530 g of KHP (molar mass 204.22 g/mol) and added it to distilled water. She also added a drop of the indicator
phenolphthalein to observe the endpoint.
HKP(aq) + NaOH(aq) → H20(I) + NaKP(aq)
The titration required 36.54 mL of NaOH to reach the endpoint.
What is the actual concentration of the NaOH solution?
0.300 M
0.205 M
2.05 × 104 M
4.88 M
Sagot :
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