• Question 11 The fizz produced when an Alka-Seltzer tablet is dissolved in water is due to the reaction between sodium bicarbonate, NaHCO, and citric acid, H: CH-0; 3 NaHCO3 (aq) • H;CgH;0; (aq) -> 3 co, (g) - 3 H,0(1) NazCgH507 (aq) H;GgH;0; (aq) -> 3 CO2 (e) In a certain experiment 0.051 moles of sodium bicarbonate and 0.041 moles of citric acid are allowved to react. Which chemical is the limiting reactant? Select an answer Which chemical is the excess reactant? Select an answer How much of the limiting reactant is left over when the reaction is complete? moles How much of the excess reactant is left over when the reaction is complete? moles Submit Question L O U O F5 F6 F7 F10 F11 F12 ScrLk P F3 F4 FB F9 & 3 4 5 6 8 9. R Y U I D H. JK C VB M 目 Alt Ctrl

• Question 11 The fizz produced when an Alka-Seltzer tablet is dissolved in water is due to the reaction between sodium bicarbonate, NaHCO, and citric acid, H: CH-0; 3 NaHCO3 (aq) • H;CgH;0; (aq) -> 3 co, (g) - 3 H,0(1) NazCgH507 (aq) H;GgH;0; (aq) -> 3 CO2 (e) In a certain experiment 0.051 moles of sodium bicarbonate and 0.041 moles of citric acid are allowved to react. Which chemical is the limiting reactant? Select an answer Which chemical is the excess reactant? Select an answer How much of the limiting reactant is left over when the reaction is complete? moles How much of the excess reactant is left over when the reaction is complete? moles Submit Question L O U O F5 F6 F7 F10 F11 F12 ScrLk P F3 F4 FB F9 & 3 4 5 6 8 9. R Y U I D H. JK C VB M 目 Alt Ctrl

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability

Section: Chapter Questions

Problem 41PS

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Background-info: https://drive.google.com/file/d/1G7sPTuESIgWk9wpRdqAnFcsBmOlbBfLv/view?usp=sharing Question: In carrying out Part 1 of this experiment, assume an exces of HCI(aq) reacts with 0.296 g of Mgls). If the volume of the final solution is 69.0 mL, what is the stoichiometric concentration (in mol/L) of MgCl2laq) after the reaction is complete? Report your answer to the correct number of significant figures and only include the numerical answer (no units).
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When a Vitamin C (ascorbic acid; MM = 176.12 g mol-1) tablet is crushed, dissolved and titrated with 0.0340 M KIO3(aq) to a purple/blue endpoint (given by a starch indicator), the volume of KIO3 used is 29.80 mL. If 60 mg of ascorbic acid is the recommended dietary allowance (i.e., 100% of the RDA), then what is the % RDA for the Vitamin C in the tablet? KIO3(aq) + 5 KI + 6 H+ → 3 I2(aq) + 3 H2O I2 (aq) + ascorbic acid → 2 I- + dehydroascorbic acid
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