Answer to Question #262030 in General Chemistry for Adex

Question

a) 0.154g of organic compound Containing calbon, Thydrogen and oxygen only, on ignition in oxygen gake 0-2149 of carbon (iv) oxile and 0.135g of Loater. If thes Vapour dansity of the compound is 31 formula (b) it's molecular formula It's emperical

b Calculate the number of grammes of substance present in 3rol + 1022 atoms of letra osco sulphate (vi) acid

Answer 1

Molar mass of tetraoxosulphate (VI) acid = 142.04 g/mol

3×10²²/6.022×10²³= 0.0498mol

= 142.04×0.0498= 7.0761g