::: onv2 | Online teachin -1- v gnmenttakeCovalentActivity dorlocator assignment

Question

::: onv2 | Online teachin -1- v gnmenttakeCovalentActivity dorlocator assignment-take&takeAssignmentSession.ocator-assignment; take Use the References to access important values if needed for this question. Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions. It has the unwieldy formula of KHCsH404 This is often written in shorthand notation as KHP If 3.49 grams of KHP are needed to exactly neutralize 35.5 mL of a potassium hydroxide solution, what is the concentration of the base solution? ANSWER M potassium hydroxide Submit Answer Retry Entire Group 7 more group attempts remaining

Explanation / Answer

mass of KHP = 3.49 g

moles of KHP = 3.49 / 204.22 = 0.01709 mol

moles of KOH = 0.01709

moles = Molarity x volume

0.01709 = Molarity x 35.5 x 10^-3

concentration of KOH = 0.481 M

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