nakuru district secondary schools trial examination - KCSE Online

……………………………………………………………………………………………………………………………………………………………………………………………………………21 A hydrated salt has the following composition by mass iron 20.2%, oxygen 23.0%,sulphur 11.5% and water 45.3%. If its relative formula mass is 278(i) Determine the formula of the hydrated slat(3marks)……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..22 Study the flow chart below and then answer the questions that follow.Sugar solutionCompound ESubstance APolymerizationCrude ethanolProcess XHydrogen gasSubstance B con. H 2 SO 4Pure ethanol 90%Substance D(a)(i) Name(2marks)Visit:12www.kcse-online.info for thousands of free Past papers