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CHM 101 CHM 101 Past Questions Objective Question

Question

In stoichiometry, a mole ratio is derived from:
Options
A Subscripts of formulas
B Coefficients of balanced equations
Correct Answer
C Mass of reactants
D Chemical properties
Correct Answer

Option B is the correct answer.

Detailed Explanation

The coefficients in a balanced chemical equation represent the relative number of moles of each substance involved in the reaction. These coefficients are used to form the mole ratios for stoichiometric calculations.

Hint

The numbers in front of the chemical formulas in a balanced equation are key.

Question Info