only qiestions 3-5

ulations: Calculate the formula mass/molar mass of the anhydrous salt of your unknown sample (show calculations). mass of (ahyorrys salt = (mass of crucible t abydrousfalt after hegting) (mass of arvables) =41.642+40.695=0.947g n74.5513g/mol=(0.947g)/(0.947moles)=74.5513 2. Calculate the number of moles of the anhydrous salt (show calculations). glmol 41.64240.695=0.947g 3. Calculate the number of moles of water in the unknown hydrate (molars mass of H2O= 18.02g/mol). Show calculations. 4. Determine X: show calculation step X= 5. Molecular formula of your unknown hydrate