Podcast
Questions and Answers
Stoichiometry deals with the quality of substances, not the quantities.
Stoichiometry deals with the quality of substances, not the quantities.
False (B)
An empirical formula provides the exact number of atoms in a molecule.
An empirical formula provides the exact number of atoms in a molecule.
False (B)
The molecular formula C2H5OH represents dimethyl ether.
The molecular formula C2H5OH represents dimethyl ether.
False (B)
Atoms are extremely large in size, making them visible to the naked eye.
Atoms are extremely large in size, making them visible to the naked eye.
Stoichiometry involves predicting reactant quantities, but not interpreting chemical analysis results.
Stoichiometry involves predicting reactant quantities, but not interpreting chemical analysis results.
The atomic weight scale is established based on the mass of the lightest element.
The atomic weight scale is established based on the mass of the lightest element.
The formula weight of MgCl2 is 95.21 amu.
The formula weight of MgCl2 is 95.21 amu.
The percent composition of Mg in Mg(NO3)2 is 20.39%.
The percent composition of Mg in Mg(NO3)2 is 20.39%.
The number of moles of Hydrogen gas in 27g of Hydrogen is 13.4 moles.
The number of moles of Hydrogen gas in 27g of Hydrogen is 13.4 moles.
The number of Carbon atoms in 0.0022 gram of CO2 is 5.01x10^19.
The number of Carbon atoms in 0.0022 gram of CO2 is 5.01x10^19.
The empirical formula of a compound with 60% Oxygen and 40% Sulfur by mass is SO3.
The empirical formula of a compound with 60% Oxygen and 40% Sulfur by mass is SO3.
In the given stoichiometric equation, 2 moles of aqueous sodium iodide react with 1 mole of aqueous lead nitrate to produce 2 moles of solid lead iodide.
In the given stoichiometric equation, 2 moles of aqueous sodium iodide react with 1 mole of aqueous lead nitrate to produce 2 moles of solid lead iodide.
