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  1. BUSI1915U Fundamentals of Business Math (2020) by OER Lab at Ontario Tech University, under a CC BY NC SA 4.0 International License, unless otherwise noted, which was adapted to Pressbooks format from: • Business Math: A Step -by Step Handbook (2018, Revision A) by J. Olivier, under a CC BY-NC-SA License.

  2. 4 Ιουλ 2020 · One mole of sodium bicarbonate (baking soda) reacts with one mole of acetic acid (from vinegar) to yield one mole of sodium acetate, one mole of water, and one mole of carbon dioxide. The balanced chemical equation is: NaHCO 3 + HC 2 H 3 O 2 → NaC 2 H 3 O 2 + H 2 O + CO 2.

  3. The first chemical on the left is acetic acid (vinegar is about 5% acetic acid and 95% water), and the second chemical on the left is sodium bicarbonate (baking soda). You can see that in this reaction, the sodium atom (Na) replaces the hydrogen atom (H) in the first molecule.

  4. Doing so allowed us to solve interesting problems by finding a pair of values that satisfied two different equations. While we didn’t call it this at the time, we were solving a system of equations. To start out, we’ll review an example of the type of problem weve solved before.

  5. In this lab, students will examine the chemical reaction between baking soda and vinegar, and mix different amounts of these household chemicals to learn about the concept of stoichiometry. Key Concepts: • Stoichiometry is the quantitative balancing of elements in chemical reactions.

  6. Baking soda is a powdered chemical compound called sodium bicarbonate, and vinegar includes acetic acid. These 2 components react in solution to form carbon dioxide, water, and sodium acetate as shown in the chemical reaction below: NaHCO3 (aq) + CH3COOH (aq) ----> CO2 (g) + H2O (l) + CH3COONa (aq) .

  7. map out a plan to solve a word problem. We know the hardest part of solving word problems is often figuring out where to start. Use the blueprint as a model to get started. Business Math Handbook. This reference guide contains all the t ables found in the text. It makes homework, exams, etc.,