NAME:
T3W2: IONS IN SOLUTION
1. Determine if the following substances are likely to be
soluble or insoluble in water:
a. Ammonia (NH3)
b. Oxygen gas (O2)
c. Hydrogen chloride (HCl)
d. Methanol (CH3OH)
e. Methane (CH4)
f. Hydrogen fluoride (HF)
g. Carbon dioxide (CO2)
2. Predict which of the following substances you would
expect to be soluble in water. Refer to your solubility table
in your data booklet to help predict your answer.
a. Sodium carbonate
b. Lead (II) nitrate
c. Magnesium carbonate
d. Ammonium sulfate
e. Iron (II) sulfate
f. Magnesium phosphate
g. Silver chloride
h. Barium sulfate
3. Calculate the final concentration of each of the following
diluted solutions
a. A 10ml sample of water is added to 5ml of 1.2M HCl.
b. A 1L sample of water is added to 3L of 0.10M HCl.
c. A 5ml sample of 0.5M HCl is added to 95ml of water.
4. Calculate the concentration of the following solutions in
ppm:
a. A 25mg sample of CaCl2 dissolved in 5kg of solution.
b. A 1.25g sample of lead nitrate dissolved in 2000g of
solution.
5. Show a chemical equation to demonstrate the dissolving process for the below compounds:
a. Hydrogen iodide (HI) which will ionise….
b. Glucose (C6H12O6) which will not ionise and dissolve in water……
6. Calculate the concentration of a 200ml solution that contains 4.56g of barium sulfate.