unknown acid, which can be either oxalic acid, H2C2O4, or citric acid, H3C6H5O7. To determine which acid she has, she titrates the unknown acid with 0.650 M NaOH. The equivalence point is reached when 52.0 mL are added. Answer the following questions to determine the identity of the unknown acid. 1. How many moles of NaOH are consumed?

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A student is given 1.52 g of an unknown acid, which can be either oxalic acid, H2C2O4, or citric acid, H3C6H5O7. To determine which acid she has, she titrates the unknown acid with 0.650 M NaOH. The equivalence point is reached when 52.0 mL are added. Answer the following questions to determine the identity of the unknown acid.

1. How many moles of NaOH are consumed?

Moles of NaOH = _____ mol

2. How many moles of H+ acid are available to react if the acid is H2C2O4?

0.0403 mol NaOH

Moles of H+ from H2C2O4 = ___ mol

3. How many moles of H+ are available to react if the acid is H3C6H5O7?

0.0403 mol NaOH

0.0573 mol H+ from H2C2O4

Moles of H+ from H3C6H5O7 =  ___ mol

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