In a reaction between pure acetic acid and sodium bicarbonate, 14.7 grams of sodium bicarbonate was added to 21.0 mL of acetic acid. Which reactant is the limiting reactant in this reaction?
Name of limiting reactant (acetic acid or sodium bicarbonate):
How many moles of the limiting reactant are present in this reaction?
Moles of limiting reactant = mol
How many moles of carbon dioxide do you expect to be produced?
Moles of carbon dioxide = mol CO2
If the temperature in the laboratory is 23.2oC and the atmospheric pressure is 1.02 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
Volume of carbon dioxide = cm3
What would be the circumference of a spherical balloon containing this amount of carbon dioxide gas?
Circumference of balloon = cm
Some of these questions are incomplete and many can't be answered because you did not give the molarity of acetic acid.
To determine the limiting reactant in this reaction, you need to calculate the number of moles for each reactant. Then you can compare the ratios from the balanced chemical equation to determine which reactant is the limiting one.
1. Calculate the number of moles of sodium bicarbonate:
- Convert the mass of sodium bicarbonate to moles using its molar mass. The molar mass of sodium bicarbonate (NaHCO3) is approximately 84.01 g/mol.
- Use the formula: moles = mass (g) / molar mass (g/mol).
2. Calculate the number of moles of acetic acid:
- Convert the volume of acetic acid to moles using its molar volume. The molar volume of acetic acid (CH3COOH) is approximately 60.05 g/mol.
- Use the formula: moles = volume (mL) / molar volume (mL/mol).
3. Determine the limiting reactant:
- Divide the moles of each reactant by their stoichiometric coefficients from the balanced chemical equation.
- The reactant with the lowest ratio is the limiting reactant.
Once you have identified the limiting reactant, you can use its number of moles to calculate the number of moles of carbon dioxide produced. Again, refer to the balanced chemical equation to obtain the stoichiometric ratio.
To calculate the volume of carbon dioxide produced, you will need to use the ideal gas law equation: PV = nRT. Given the temperature, pressure, and number of moles of carbon dioxide, you can solve for volume by rearranging the equation: V = nRT / P. Note that the gas constant R is approximately 0.0821 L·atm/(mol·K).
Finally, to calculate the circumference of a spherical balloon containing this amount of carbon dioxide gas, you will need to use the formula for the circumference of a sphere: C = 2πr, where r is the radius of the sphere. The radius can be calculated using the volume as follows: r = (3V/4π)^(1/3).