number of formula units present in this 0.56g sample of sodium carbonate
Answers
Answer:
DeterA. Determine the number of formula
units present in this 0.56 g sample of Sodium Carbonate.
mine the number of oxygen
atoms present in the sample.
Station B:
A. In front of you are 2.9x1022 formula units of Sodium Chloride. Calculate the mass of the sample.
B. What is the total number of moles
of ions in the sample?
Station C:
Congratulations! You have passed Gr. 12 Chemistry and are now taking Post-Secondary Chemistry. You have also taken on the responsibility of being a lab tech for the year. A teacher asks you to prepare a 0.2 mol/L solution of Lead (II) Nitrate. This means that a 1 L solution needs to contain 0.2 moles of Lead (II) Nitrate. How many grams of Lead (II) Nitrate salt need to be added to 1 Litre of water to prepare the solution?
Station D:
Determine the molar masses of each of the following:
A. Potassium Nitrate B. Ammonium Carbonate C.Magnesium Chloride D.Mercuric Oxide E. Chromium (III) Iodide F. Carbon Tetrachloride
Station E:
Approximate the number of M&Ms in a full 500 mL beaker.
Station F:
Determine the number of copper atoms in the sample in front of you.