**Question 9 of 10**Which chemical equation models the law of conservation of mass?- **A.** KOH + H₃PO₄ → K₃PO₄ + H₂O- **B.** 2KOH + H₃PO₄ → K₃PO₄ + 2H₂O- **C.** 3KOH + H₃PO₄ → K₃PO₄ + 3H₂O- **D.** 3KOH + 2H₃PO₄ → 2K₃PO₄ + 3H₂O**Explanation:**The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction. Therefore, the number of each type of atom on the reactant side (left) must be equal to the number on the product side (right). To find the correct equation, balance the number of potassium (K), oxygen (O), hydrogen (H), and phosphorus (P) atoms on both sides of each equation. Among the options, the one that satisfies this condition is the correct answer.

According to Law of conservation of mass, the mass of products in a chemical reaction must equal the…

Question 9 of 10 Which chemical equation models the law of conservation of mass? А. КОН + НзРО4— КЗРОД + Н20 В. 2КОН + Н3Р04— КЗРОД + 2H20 О с. зкон + HзРОд — КЗРО4+ ЗН20 O D. 3KOH + 2H3PO4 2K3P04 + 3H20

Question 9 of 10 Which chemical equation models the law of conservation of mass? А. КОН + НзРО4— КЗРОД + Н20 В. 2КОН + Н3Р04— КЗРОД + 2H20 О с. зкон + HзРОд — КЗРО4+ ЗН20 O D. 3KOH + 2H3PO4 2K3P04 + 3H20

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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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

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