Multiple Part Chem Solving

Jul 24th, 2015
RockCafe
Category:
Chemistry
Price: $5 USD

Question description

a) Epsom salts, a strong laxative used in veterinary medicine, is a hydrate, which means that a certain number of water molecules are included in the solid structure. The formula for Epsom salts can be written as MgSO4·x H2O, where x indicates the number of moles of H2O per mole of MgSO4. When 5.469 g of this hydrate is heated to 250°C, all the water of hydration is lost, leaving 2.671 g of MgSO4

WHAT IS THE VALUE OF X? IN THE CORRECT NUMBER OF SIGNIFICANT DIGITS

b) The characteristic odor of pineapple is due to ethyl butyrate, a compound containing carbon, hydrogen, and oxygen. Combustion of 1.95 mg of ethyl butyrate produces4.42 mg of CO2 and 1.81 mg of H2O. 

What is the empirical formula of the compound?



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