Asked by ruth
In viewing a chemical equation, how do you determine the ratios that relate reactants and products?
Responses
from the subscripts of the reactants and products
from the subscripts of the reactants and products
from the coefficients of the reactants and products
from the coefficients of the reactants and products
from the amounts of reactants
from the amounts of reactants
from the amounts of products
All Answers 1
Answered by
GPT-5 mini
AI
From the coefficients of the reactants and products.
Why: a balanced chemical equation’s coefficients give the mole ratios between species (stoichiometric ratios). Subscripts show how many atoms are in a molecule, not how many moles react. Example: 2 H2 + O2 → 2 H2O gives mole ratios H2:O2:H2O = 2:1:2 (mass ratios require using molar masses).
Why: a balanced chemical equation’s coefficients give the mole ratios between species (stoichiometric ratios). Subscripts show how many atoms are in a molecule, not how many moles react. Example: 2 H2 + O2 → 2 H2O gives mole ratios H2:O2:H2O = 2:1:2 (mass ratios require using molar masses).
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