1. a) (2 points) Write the net ionic equation for hydrochloric acid reacting wit

Question

1. a) (2 points) Write the net ionic equation for hydrochloric acid reacting with solid sodiurm carbonate. b) (3 points) On average, one tablet of a certain antacid contains 500.0 mg sodium carbonate. If one tablet has a cost of 15 cents, calculate the cost of neutralizing hydrochloric acid in dollars per mole of HCI.($/mol Answer: 2. a) (3 points) If 0.900 g sodium carbonate is added to 325. mL of 0.150 M HCl, calculate the molarity of H' in the solution after the reaction above goes to completion. Answer b) (2 points) What volume of 0.950 M KOH would be required to neutralize the remaining HOi solution in part (a)? (do not use M,Vs -M,V Answer: Rev. F17 Page 1 of 6

Explanation / Answer

1.

Word Equation: Hydrochloric acid + Sodium carbonate Sodium chloride + Carbon dioxide + Water Formula Equation: 2 HCl (aq) + Na2CO3 (aq) 2 NaCl(aq) + CO2 (g) + H2O (l) Ionic Equation: 2 H+ (aq) + CO32- (aq) H2O (l) + CO2 (g)

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