Nomenclature, Molar Mass, % Composition

Front

What is the chemical formula for Barium Phosphide?

Back

Ba₃P₂

Front

Find the percent composition of Copper (I) Sulfide. Show your work on paper to receive a score for this problem.

Back

%Cu = 79.854, %S = 20.145

Front

What is the name of N₃O₃?

Back

trinitrogen trioxide

Front

What is the correct name for: BrO₃?

Back

bromine trioxide

Front

What is molar mass?

Back

The sum of the atomic masses of all atoms in a compound expressed in grams per mol (g/mol).

Front

Define nomenclature in chemistry.

Back

Nomenclature is the system of naming chemical compounds and their components.

Front

What is the formula for calculating percent composition?

Back

% Composition = (mass of element in 1 mole of compound / molar mass of compound) x 100.

Front

What is the molar mass of H₂O?

Back

18.015 g/mol.

Front

What is the difference between empirical and molecular formulas?

Back

Empirical formula shows the simplest whole-number ratio of elements, while molecular formula shows the actual number of atoms of each element in a molecule.

Front

What is the name of the compound with the formula NaCl?

Back

Sodium chloride.