0.20 L of HNO3 is titrated to equivalence using 0.20 L of 0.2 M NaOH. What...

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0.20 L of HNO3 is titrated to equivalence using 0.20 L of 0.2 M NaOH. What...

0.20 L of HNO₃ is titrated to equivalence using 0.20 L of 0.2 M NaOH. What is the concentration of the HNO₃? Express the concentration of HNO₃ in molarity.

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Answer 1

Answer #1

HNO3+NaOH-----> H2O+ NaNO3

Moles of NaOH= molarity of NaOH* volume in L

Moles of NaOH= 0.2 M* 0.2 L = 0.04 moles

0.04 moles of NaOH requires 0.04 moles of HNO3

Molarity of HNO3 = moles / volume = 0.04 mol/ 0.2 L

Molarity of HNO3= 0.2 M

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Answer 2

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