   Chapter 3, Problem 12ALQ

Chapter
Section
Textbook Problem

Questions 10 and 11 deal with the following situation: You react chemical A with chemical 8 to make one product. It takes 100 g of A to react completely with 20 g of B.What is the mass of the product?a. less than 10 gb. between 20 and 100 gc. between 100 and 120 gd. exactly 120 ge. more than 120 g

Interpretation Introduction

Interpretation: The correct mass of the product formed in the given chemical reaction is to be identified.

Concept introduction: According to the law of conservation of mass, the mass of the substances that take part in a chemical reaction remains conserved. Therefore, the mass of the reactants is equal to the mass of the products.

To Identify: The option that represents the correct mass of the products formed in the stated chemical reaction, from the given list.

General Info: The mass of the reactants is equal to the mass of the product, in a chemical reaction.

Explanation

1. a. The given value of mass is not appropriate. This value does not lie in accordance to the law of conservation of mass.
1. b. The given value of mass is not appropriate. This value does not lie in accordance to the law of conservation of mass.
1. c. The given value of mass is not appropriate. This value does not lie in accordance to the law of conservation of mass.
1. d. The given value of mass is appropriate. This value satisfies the law of conservation of mass.

The mass of reactant A is 100g .

The mass of reactant B is 20g .

According to the law of conservation of mass, the mass of the reactants is equal to the mass of the products.

The mass of the products in the given reaction is calculated by the formula,

Massofproductsformed=Mass

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