A dandruff shampoo contains dipyrithione, C10H8N2O2S2 , an antibacterial and antifungal agent.
A. What is the empirical formula of dipyrithione? Enter the elements in the order: C, H, N, O, S.
B. What is the molar mass of dipyrithione? Express your answer to fpur significant figures and include the appropriate units.
C. What is the mass percent of O in dipyrithione? Express your answer to four significant figures.
D. How many grams of C are in 20.0 g of dipyrithione? Express your answer to three significant figures and include the appropriate units.
E. How many moles of dipyrithione are in 25.0 g of dipyrithione? Express your answer to three significant figures and include the appropriate units.