Experiment 11: Decomposing Baking Soda 7. A student collects the following data when decomposing an unknown mixture containing baking soda, NaHCO3. Find the mass of baking soda in the sample and the % of baking soda in the sample. 2 NaHCO3 (s) → Na2CO3 (s) + H2CO3 (g) Mass of test tube + unknown mixture (before heating) 24.1612g Mass of test tube 23.1186 Mass of test tube + residue (after heating) 23.8910g a. Mass of unknown mixture: 0426a 124 b. Mass of H2CO3 (before heating - after heating): c. Mass of NaHCO3 in unknown mixture and percent of NaHCO3 in unknown

Experiment 11: Decomposing Baking Soda 7. A student collects the following data when decomposing an unknown mixture containing baking soda, NaHCO3. Find the mass of baking soda in the sample and the % of baking soda in the sample. 2 NaHCO3 (s) → Na2CO3 (s) + H2CO3 (g) Mass of test tube + unknown mixture (before heating) 24.1612g Mass of test tube 23.1186 Mass of test tube + residue (after heating) 23.8910g a. Mass of unknown mixture: 0426a 124 b. Mass of H2CO3 (before heating - after heating): c. Mass of NaHCO3 in unknown mixture and percent of NaHCO3 in unknown

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...

See similar textbooks

Similar questions

Consider the general chemical equation 3A+B→2C. Part A. If 1.45 g of A reacts with 1.75 g of B, what is the mass of C? Express your answer with the appropriate units. Part B. If 4.70 g of A reacts to produce 8.95 g of C, what is the mass of B? Express your answer with the appropriate units.
Dibenzalacetone, C₁7H₁40 (molar mass= 234.29 g mol-¹) is a common ingredient in sunscreens that is prepared by the following chemical reaction. 2 C₂H₂O + C3H₁O →→ C17H140 + 2 H₂O 58.08 g In a lab experiment, 4.25 g of C7HÃO (molar mass = 106.12 g mol-¹) and 1.10 g of C3H6O (molar mass = mol-¹) were used to synthesize C₁7H₁40. The target product was produced as a yellow solid with a 81.0% yield. What mass of C₁7H140 was isolated? Choose the closest answer. 4.44 g 4.69 g 3.60 g 2.22 g 2.35 g 7.52 g
May you answer and explain this for me please?
Completion Your answers are saved automatically. Remaining Time: 22 minutes, 58 seconds. v Question Completion Status: A Moving to another question will save this response. Question 10 Consider the combustion of propane (C3H3), shown in the chemical equation below: 1 C3H3 + 502 → 3 CO2 + 4 H,0 How many molecules of 02 are needed to fully react with 97 molecules of propane? A Moving to another question will save this response. tech.edu/webapps/blackboard/content/listContent.jsp?course_id%=_455765_1&content_id=_17790076_1&mode=reset M
A 6.60-g sample of Fe3O4 reacts with O₂ to produce Fe₂O3: 4Fe3O4(s) + O2(g) →→→ 6Fe2O3(s) Determine the number of g of Fe₂O3 produced, assuming that O₂ is in excess. Enter your answer in the provided box. g Fe₂O3
CH4(g)+2 O2(g) → CO2(g)+2 H2O(g)+energy What type of reaction is this? Single displacement Combustion Combination Double displacement Decomposition
LI ESci 115: Chemistry for Engineers 32 1. A chemist needs exactly 3 moles of NaOH to make a solution. What mass of NaOH is needed? 2. A test of the automobile engine's exhaust showed that 7.4 g of NO2 was released in 20 minutes of operation. If this engine will be used for an hour commute, how many moles of NO2 will it release? Assume: The measured number is true for all conditions. 3. Calculate the molarity of 35.0 grams of nickel (III) sulfate dissolved in water resulting in 5.4 L of solution. Module Post-test Choose the correct let
Classify each chemical reaction: reaction 2CH₂OH (1) + 30₂(g) → 2CO₂(g) + 4H₂O(1) CH, (CH₂) CH₂(g) + 80₂(g) → 5CO₂(g) + 6H₂O(g) 3 Mg(CIO), (s) → MgCl₂ (s) + 30₂ (g) 2 4Na(s) + O₂(g) → 2Na₂O(s) type of reaction (check all that apply) combination single replacement double replacement decomposition combination single replacement Odouble replacement decomposition combination single replacement double replacement decomposition combination single replacement double replacement Odecomposition X precipitation combustion acid-base precipitation combustion acid-base Oprecipitation combustion acid-base precipitation combustion acid-base
Ammonia is an important compound in agriculture. The chemical reaction in forming ammonia, known as the Haber-Bosch process, is N₂ + 3H₂ → NH₃. What type of chemical reaction is the Haber-Bosch process? Choose the letter of the correct answer. A. Decomposition B. Double displacement C. Combination
The reaction between substance A (large, red spheres) and substance B (small, blue spheres) is shown in the diagram. Select the equation that best describes the reaction. A. 4A+4B⟶AB B. 4A+4B⟶4AB C. A+B⟶AB D. A+B⟶4AB
Consider the reaction: NH3 + O2 → NO + H2O For every 150 g NH3, Find the mass of NO produced. Find the mass of H2O produced.
A student heats a 2.8695g sample of a mixture that contains an unknown amount of potassium chlorate (KClO3). The KClO3in the mixture decomposes and releases its oxygen. The mass of the remaining sample residue was 2.0427g. KClO3(s) →KCl (s) + 3 O (g) a.How many grams of oxygen were in the KClO3sample? b.How many moles of oxygen atoms is this? c.How many moles of KClO3were in the original sample? d.How many grams of KClO3were in the original sample? e.What is the % of KClO3in the original sample?