HOMEWORK CHAPTER 3 KEY

HOMEWORK CHAPTER 3 KEY - HOMEWORK CHAPTER 3 KEY 30. Assume...

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HOMEWORK CHAPTER 3 KEY 30. Assume silicon has three major isotopes in nature as shown in the table below. Fill in the missing information. Isotope Mass (amu) Abundance 28 Si 27.98 29 Si 4.70 % 32 Si 29.97 3.09 %
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58. Chloral hydrate (C 2 H 3 Cl 3 O 2 ) is a drug formerly used as a sedative and hypnotic. It is the compound used to make “Mickey Finns” in detective stories. a. Calculate the molar mass of chloral hydrate. b. What amount (moles) of C 2 H 3 Cl 3 O 2 molecules are in 500.0 g chloral hydrate? c. What is the mass in grams of 2.0 x 10 -2 mol chloral hydrate? d. What number of chlorine atoms are in 5.0 g of chloral hydrate? e. What mass of chloral hydrate would contain 1.0 g Cl? f. What is the mass of exactly 500 molecules of chloral hydrate?
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If a fungal molecule contains 4 copper atoms, what is the molar mass of fungal laccase? 70. The most common form of nylon (nylon-6) is 63.68% carbon, 12.38% nitrogen, 9.80%
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This note was uploaded on 07/22/2008 for the course CHEM 105A taught by Professor Bau during the Summer '04 term at USC.

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HOMEWORK CHAPTER 3 KEY - HOMEWORK CHAPTER 3 KEY 30. Assume...

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