A effervescent tablet containing and oxalic acid releases of at and . If molar volume of is under such conditions, what is the of in each tablet? (Molar mass of )

Question

A  effervescent tablet containing  and oxalic acid releases  of  at  and . If molar volume of  is  under such conditions, what is the  of  in each tablet? (Molar mass of )

Canvas Classes · Accepted Answer

Strategy:
 The bicarbonate reacting with oxalic acid produces  in a  stoichiometric ratio per mole of bicarbonate. Use the provided molar volume at specific conditions to calculate the moles of , then find the mass and percentage of .

Step 1: Calculate moles of } \ce{CO2}
Given Molar Volume .

Step 2: Calculate mass and percentage of } \ce{NaHCO3}
Moles .
Mass .

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