Please do not skip any step solution, and please write the solution step on one piece of paper without use type by using the computer. This is because I scare I will not understand the concept. Thank you very much.

Question 3 (8 marks) The following question concerns the Period 2 elements. (a) Write the conjugate acid for the followings Coni. Acid 1. H.PO. IL NO M. III. HS IV. OH V. HO (5 marks) CEE2000S Enes Chemistry_Test1 Sem 1 2022 (b) A 5.00 g sample of lithium, containing the two isotopes ithium-6 and lithium-7, was found to contain 0.375 g of the isotope lithium-6. Isotope Relative isotopic Mass Lithium-6 Lithium-7 7.016 6.015 Calculate the relative atomic mass of thium for this sample. Give your answer to an appropriate number of significant figures. [3 marks]