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In the reaction 2 Al + 3 Cl2 → 2 AlCl3, how many moles of Cl2 are required to react with 1.59 moles of Al?
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2.39 moles of Cl2.
Using the balanced equation C3H8 + 5 O2 → 3 CO2 + 4 H2O, how many moles of CO2 are produced from 2.8 moles of C3H8?
8.4 moles of CO2.
In the balanced equation 2 SO2 + O2 → 2 SO3, what is the mole ratio of SO2 to SO3?
The mole ratio of SO2 to SO3 is 1:1.
Using the balanced equation C3H8 + 5 O2 → 3 CO2 + 4 H2O, how many grams of CO2 are produced from 2.8 moles of C3H8 (molar mass of CO2 = 44.01 g/mol)?
369.48 grams of CO2.
What is the first step in converting moles of Substance A to grams of Substance B?
Convert moles of Substance A to moles of Substance B using the mole ratio from the balanced equation.
In stoichiometry, why is it important to use a balanced chemical equation?
A balanced chemical equation ensures the correct mole ratios are used for converting between substances, maintaining the conservation of mass.
What is the second step in converting grams of a reactant to grams of a product?
Convert moles of the reactant to moles of the product using the mole ratio from the balanced equation.
Given 3.8 moles of C3H8, how many grams of O2 are required (molar mass of O2 = 32 g/mol)?
608 grams of O2.
Given 38 grams of H2O, how many moles of CO2 are produced (molar mass of H2O = 18.016 g/mol)?
1.58 moles of CO2.
How do you determine the molar ratio between substances in a chemical reaction?
The molar ratio is determined from the coefficients of the balanced chemical equation.
What is the molar mass of CO2?
44.01 g/mol.
Convert 25 grams of C3H8 to moles of H2O using the balanced equation C3H8 + 5 O2 → 3 CO2 + 4 H2O (molar mass of C3H8 = 44.09 g/mol).
2.27 moles of H2O.
How many grams of AlCl3 are produced from 35 grams of Al (molar mass of Al = 26.98 g/mol, AlCl3 = 133.34 g/mol)?
173.34 grams of AlCl3.
What is the molar mass of aluminum chloride (AlCl3)?
133.34 g/mol.
How would you convert grams of a reactant to grams of a product?
First, convert grams of the reactant to moles using its molar mass, then use the mole ratio from the balanced equation to convert to moles of the product, and finally convert the moles of the product to grams using its molar mass.
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