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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.
To 1.00 L of a 0.100 M aqueous solution of benzoic acid (C6H5COOH) is added 1.00 mL of 12.0 M HCl. What is the percentage ionization of the benzoic acid in the resulting solution? [Ka(C6H5COOH) = 6.5 × 10-5]
U know that a certain sugar molecule contains higher energy phosphate bond than the gamam phosphate of ATP under the standard condition
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In the reaction Na + H2O ? NaOH + H2, which of these is true. a. Sodium is oxidized b. Water is oxidized c. Hydrogen is oxidized d. Oxygen is oxidized
A 2.4375 g sample containing a mixture of KClO3 and NaCl is heated and under goes a mass loss of 0.6191 g. What is the percent of KClO3?
racemic 2-methyl-1-butanol instead of 1-butanol in your experiment, why would you expect to see more than one ether side product?
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