C3.2 The Mole

1. 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

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

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

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

5. Mention the 2 common types of titration 

6. 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

7. Is the following equation CORRECT OR NOT?    

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

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

10. 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? 

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

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

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

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

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

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

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

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

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

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

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

22. 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?

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

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

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

26. State Gay-Lussac’s Law

27. 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