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uppose you are running a combination reaction in which compound A reacts with compound B to form compound C (as shown below). If you start with 5 grams of A and 6 grams of B, and 7 grams of C have been made at the end of the reaction, what mass of excess reactant is left over? A + B -- > C a. There was no excess reactant - at the end of a reaction, both reactants are completely consumed. b. There are 4 grams of excess reactant remaining, and the excess reactant is compound B. c. There are 4 grams of excess reactant remaining, but we do not know which compound is the excess reactant. d. We cannot determine the amount of leftover reactant without knowing the molar masses of A and B.

uppose you are running a combination reaction in which compound A reacts with compound B to form compound C (as shown below). If you start with 5 grams of A and 6 grams of B, and 7 grams of C have been made at the end of the reaction, what mass of excess reactant is left over? A + B -- > C a. There was no excess reactant - at the end of a reaction, both reactants are completely consumed. b. There are 4 grams of excess reactant remaining, and the excess reactant is compound B. c. There are 4 grams of excess reactant remaining, but we do not know which compound is the excess reactant. d. We cannot determine the amount of leftover reactant without knowing the molar masses of A and B.

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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Suppose you are running a combination reaction in which compound A reacts with compound B to form compound C (as shown below). If you start with 5 grams of A and 6 grams of B, and 7 grams of C have been made at the end of the reaction, what mass of excess reactant is left over?

A + B -- > C

a. There was no excess reactant - at the end of a reaction, both reactants are completely consumed.

b. There are 4 grams of excess reactant remaining, and the excess reactant is compound B.

c. There are 4 grams of excess reactant remaining, but we do not know which compound is the excess reactant.

d. We cannot determine the amount of leftover reactant without knowing the molar masses of A and B.

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