Honours Chemistry Final Exam Review 1

Front

What is the formula to calculate mass using density and volume?

Back

Mass = Density × Volume

Front

What is the density of aluminum?

Back

2.70 g/cm³

Front

If the volume of a solid piece of aluminum is 1.50 cm³, what is its mass?

Back

1.80 g

Front

What is a saturated solution?

Back

A solution in which undissolved solute is visible and the solution is in equilibrium.

Front

Which type of solution has undissolved solute visible?

Back

A saturated solution.

Front

What is a polar molecule?

Back

A molecule with a net dipole moment due to the presence of polar bonds.

Front

Which of the following is a polar molecule: CH4, CCl4, NH3, CO2?

Back

NH3.

Front

What is the formula for calculating the number of OH- ions in a compound?

Back

Number of OH- ions = moles of compound × number of OH- ions per formula unit.

Front

How many OH- ions are present in 3.00 mol of Ca(OH)₂?

Back

6.00.

Front

What makes an atom electrically neutral?

Back

The number of protons equals the number of electrons.