This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
ScanSolve AI Answer
Step 4: Calculate the number of hydrogen ions (H^+) in the volume of A used. First, calculate the moles of H_2SO_4 used. We assumed the average volume of A used (V_a) is 20.00 cm^3 = 0.02000 dm^3. Moles of H_2SO_4 = Concentration of A × Volume of A Moles of H_2SO_4 = 0.04375 mol dm^-3 × 0.02000 dm^3 Moles of H_2SO_4 = 0.000875 mol Next, determine the moles of hydrogen ions. From the balanced dissociation equation of sulfuric acid: H_2SO_4(aq) → 2H^+_(aq) + SO_4^2-_(aq) Each mole of H_2SO_4 produces 2 moles of H^+ ions. Moles of H^+ = 2 × Moles of H_2SO_4 Moles of H^+ = 2 × 0.000875 mol = 0.00175 mol Finally, calculate the number of hydrogen ions using Avogadro's number (N_A = 6.022 × 10^23 mol^-1). Number of H^+ ions = Moles of H^+ × N_A Number of H^+ ions = 0.00175 mol × 6.022 × 10^23 mol^-1 Number of H^+ ions = 1.05385 × 10^21 Rounding