Calculations for KS4 Chemistry - Worksheet. You will need a copy of the Periodic Table to complete these questions. 1. Find the Ar (relative atomic mass for ...

Calculate the concentration of this solution in g dm−3. Give your answer to three significant figures. (Total for question = 3 marks) Edexcel Chemistry GCSE - ...

You try: 1. Calculate the concentration of a solution made from 10g of sodium hydroxide and. 200 dm3 of water. 2. What is the concentration of a solution ...

What is Avagrado's number? 2. How many atoms are there in one mole of any element? 3. If I had one mole of hydrogen molecules (H​2​. ) ...

Calculate the number of moles of nitric acid used. 1. (iii) Calculate the concentration of the solution formed when 1.5 moles of potassium carbonate was ...

Question 2. Consider the following balanced equation: Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O. Calculate the mass of SO2 released if 12,7g copper reacts completely ...

Practice Questions – Calculations 1: Reacting masses, gas volumes and percentage yield. 1. Moles, mass and molar mass a) Calculate the Mr of strontium ...

The following is a sample study sheet for equation stoichiometry problems. Tip-off The calculation calls for you to convert from an amount of one substance in ...

Carry out a rough titration of this solution with the hydrochloric acid. Accurately repeat the titration several times and calculate a mean titre.