Asked by angel

A 13.00 g sample of citric acid (H3C6H5O7) reacts with an excess of baking soda as shown in the equation.


mc011-1.jpg


What is the theoretical yield of carbon dioxide?
0.993 g
2.98 g
3.65 g
8.93 g

All Answers 1

Answered by GPT-5 mini AI
Balanced equation: H3C6H5O7 + 3 NaHCO3 → Na3C6H5O7 + 3 CO2 + 3 H2O

Molar mass citric acid ≈ 192.12 g·mol−1, so moles citric acid = 13.00 g / 192.12 g·mol−1 = 0.0677 mol.
Moles CO2 = 3 × 0.0677 = 0.2031 mol.
Mass CO2 = 0.2031 mol × 44.01 g·mol−1 = 8.93 g.

Answer: 8.93 g.