The antacid TUMS® contains calcium carbonate, CaCO3, as its active ingredient. A student added a 1.310 g TUMS tablet to a beaker that contained 20 mL of 5% vinegar and 15 mL of water. Before the tablet was added to the beaker, the mass of the beaker with the water and vinegar solution was 245.605 g. When the reaction was complete, the mass of the beaker and its contents was 246.677 g. How many grams of CaCO3 were in the TUMS tablet? Assume CaCO3 was the limiting reactant in the reaction. The molar mass of CO2 is 44.009 g/mol and the molar mass of CaCO3 is 100.086 g/mol. mass of CaCO3: I Enter numeric value What was the mass percent (% m/m) of CaCO3 in the 1.310 g TUMS tablet? % m/m = g %

The antacid TUMS® contains calcium carbonate, CaCO3, as its active ingredient. A student added a 1.310 g TUMS tablet to a beaker that contained 20 mL of 5% vinegar and 15 mL of water. Before the tablet was added to the beaker, the mass of the beaker with the water and vinegar solution was 245.605 g. When the reaction was complete, the mass of the beaker and its contents was 246.677 g. How many grams of CaCO3 were in the TUMS tablet? Assume CaCO3 was the limiting reactant in the reaction. The molar mass of CO2 is 44.009 g/mol and the molar mass of CaCO3 is 100.086 g/mol. mass of CaCO3: I Enter numeric value What was the mass percent (% m/m) of CaCO3 in the 1.310 g TUMS tablet? % m/m = g %

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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REPORT FORM Experiment #9 – Analysis for Ions Name Section Date Unknown Sample # ΧYΖ PART A: CATION TESTS OPERATION OBSERVATION CONCLUSION Section Flame test for Na", K* and Ca“ ions NaCl Bright yellow KCI Lavender |CaCl, Not very evident Flame test for unknown Bright yellow Section 2: Test for Ca ions |(NH,),C,O̟with NaCl |(NH,),C,O, with KCI NH,),C,O, with CaCl, |(NH,),C,O,with FeCl, Clear solution Clear solution White precipitate Clear solution |(NH),C,0̟with unknown Clear solution Section 2: Test for Fe" ions KSCN with NaCl Clear solution KSCN with KCI Clear solution KSCN with CaCl, Clear solution KSCN with FeCl, Blood red precipitate KSCN with unknown Clear solution The unknown cation is
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= teaching and lea x /ilm/takeAssignment/takeCovalentActivity.do?locator-assignment-take juju_ arch CuO chemical name - Google Se xb Answered: A 30.7 ml sample of = x + Free Online Survey... Submit Answer Home - Academia... Create Your Rubric... The Utility Experts .... [Review Topics] [References] Use the References to access important values if needed for this question. A 24.3 mL sample of a 0.318 M aqueous nitrous acid solution is titrated with a 0.405 M aqueous barium hydroxide solution. What is the pH at the start of the titration, before any barium hydroxide has been added? pH = Retry Entire Group 8 more group attempts remaining hp 16 Quando a rede soci... # 0 » NEW * 4x C
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