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Calculate the moles please

Calculate the moles please

Chemistry
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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Calculate the moles please
Reaction Set-up 1. Measure 5 separate quantities of sodium hydrogen carbonate (NaHCO3) trying to get the five samples close to 0.5 g, 0.4 g, 0.3 g, 0.2 g and 0.1 g. Record the exact masses in table 2.1 2. Obtain about 40mL of the 0.7 M HCl in your 50mL beaker. 3. Add 2 drops of indicator to each flask, observe any color change. Set up gas collection apparatus as demonstrated by TA 4. 5. Collect 5.00 mL of hydrochloric acid into the syringe 6. Data: Inject the acid and allow to react (make sure to think about how to account for this volume when measuring the volume of gas produced) HCl(aq) + NaHCO3(s) → CO2(g) + H2O(l) + NaCl(aq) Table 2.1 Flask 1 2 3 Volume of 0.700 MHCI (mL) 5.00 mL 5.00 mL 5.00 mL Mole HCI Equation 2.1 Mass of NaHCO3 (g) 0.1 g 0.3 g 0.5 g Mole NaHCO3 (84.0 g/mol)
Transcribed Image Text:Reaction Set-up 1. Measure 5 separate quantities of sodium hydrogen carbonate (NaHCO3) trying to get the five samples close to 0.5 g, 0.4 g, 0.3 g, 0.2 g and 0.1 g. Record the exact masses in table 2.1 2. Obtain about 40mL of the 0.7 M HCl in your 50mL beaker. 3. Add 2 drops of indicator to each flask, observe any color change. Set up gas collection apparatus as demonstrated by TA 4. 5. Collect 5.00 mL of hydrochloric acid into the syringe 6. Data: Inject the acid and allow to react (make sure to think about how to account for this volume when measuring the volume of gas produced) HCl(aq) + NaHCO3(s) → CO2(g) + H2O(l) + NaCl(aq) Table 2.1 Flask 1 2 3 Volume of 0.700 MHCI (mL) 5.00 mL 5.00 mL 5.00 mL Mole HCI Equation 2.1 Mass of NaHCO3 (g) 0.1 g 0.3 g 0.5 g Mole NaHCO3 (84.0 g/mol)
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