01 Pre-Lab - solution 003 1.0 points ¡p¿Considering that...

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markowitz (am45362) – 01a pre lab – huq – (47985) 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 1.0 points Using the Formula weight oF Tris (±W = 121.1), how much (to the nearest 0.01 g) is needed to prepare 50 mL oF a 0.50 M solu- tion? 1. 3.03 g 2. 60.55 g 3. 3.03 mg 4. None oF these answers 5. 30.29 g 002 1.0 points What is the defnition oF pH? 1. None oF these answers 2. Negative log oF the H+ concentration oF a solution 3. Percentage oF H+ ions in a solution 4. Concentration oF H+ ions in a solution 5. Negative log oF OH- concentration oF a
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Unformatted text preview: solution 003 1.0 points ¡p¿Considering that micropipetters are most accurate when delivering volumes oF 50-100 1. P200 2. Both P10 and P200 3. P10 4. P1000 5. Both P200 and P1000 004 1.0 points Where do you place used glass 10-mL pipets? 1. Wash them and leave them in the sink 2. Glass disposal receptacle 3. None oF these answers 4. The pipet wash container located at the back oF the room 5. Back in the metal tin on the supply cart 005 1.0 points What is the proper character to indicate the start oF a Formula in MicrosoFt Excel? 1. 2. ’ 3. None oF these answers 4. = 5. +...
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This note was uploaded on 09/19/2011 for the course BIO 205L taught by Professor Hanson during the Fall '07 term at University of Texas.

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