Stoichiometry practice 1

Front

What is stoichiometry?

Back

Stoichiometry is the branch of chemistry that deals with the calculation of reactants and products in chemical reactions based on the conservation of mass.

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass, sum the atomic masses of all the atoms in the compound's formula, using the periodic table.

Front

What is the molar mass of beryllium iodide (BeI₂)?

Back

The molar mass of BeI₂ is approximately 262.1 g/mol.

Front

How many grams are in 0.02 moles of beryllium iodide, BeI₂?

Back

5.3 g

Front

What is the balanced equation for the reaction of magnesium with hydrochloric acid?

Back

Mg(s) + 2 HCl(aq) → MgCl₂(aq) + H₂(g)