C3.2 The Mole

1. State Gay-Lussac’s Law

2. The simplest formula of a compound which expresses its percentage composition by mass is known as 

3. What is the name given to the volume that anyone mole of any gas occupies at S.T.P [standard temperature and pressure] and this volume is 22.4 liters? 

4. Empirical formula × N = MOLECULAR FORMULA; where N= simple whole number. True or False

5. Mention the 2 ways in which chemical reactions can be expressed

6. The molarity of a substance shows how much the substance in terms of moles has been dissolved in one liter (dm3) of a solution

7. A solution that contains one mole of a substance dissolved in one liter (dm3) of a solution is known as

8. An equation whereby the mole ratio of the reactants and the products is represented by whole numbers is called

9. A solution whose concentration (molarity) is known is known as

10. Mention the 2 ways in which the concentration of a solution can be expressed

11. The number of atoms of the element that join up to form a molecule of the element is known. as the atomicity of the given gas i.e. atomicity of chlorine gas is 2. True or Talse

12. Which of the following statement about Mono-atomic gases is correct

13. A mole is the number of particles in the relative atomic mass of an element or the relative molecular mass of a substance expressed in grams. True or False

14. Mention the 2 common types of titration 

15. Is the following equation CORRECT OR NOT?    

16. Which of the following statement is correct about diluting a solution

17. Define the relative atomic mass (R.A.M) of an element

18. In an ionic equation, what is the name given to the ions which are converted to products and they hence take part in the reaction

19. Is the following equation TRUE OR FALSE? R.A.M =                        

20. Mention the number of atoms found in each R.A.M OR R.M.M of an element

21. To find the volume of unknown concentration using volumes of standard solutions that react together is known as

22. What is the name given to the amount of substance contained in one liter of a solution?

23. In an ionic equation, what is the name given to the ions which never take part in the reaction

24. Mentioned the 3 conditions that make an ionic equation written by a student absolutely correct

25. The Avogadro’s constant (NA) = 6.02 × 1023 True or False

26. Why is the hydrogen atom not a preferable atom of choice to be used as a standard atom to compare it to other atomic masses of other elements?

27. The formula which expresses the actual number of each kind of atoms of each element present in the molecule is known as