EXAM 02 SBIO 340LN-----desk.docx - EXAM 02 SBIO 340LN-01...

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EXAM 02 SBIO 340LN-01 Lab Test Fall 2020(Grading Exam, read each question carefully, answer all questuionson this paper, do not communicate with each other, copied work willearn zero marks and do not cheat, use required text where neededbut no plagiarization).NAME……………………………………………………………………………………………Date………Rough work for the calculation questions and show every step and finalanswer on the blank spaces provided below questions:1. How many grams of solid NaCl (sodium chloride) is required toprepare 50ml of a 0.015M solution (fw=58.44g/mol ͠ 58).
b. And how you will physically prepare this 50ml solution?
c. Express this solution in terms of g/L, and % w/v[NaCl], g mL-1 = Mass of NaCl in grams / Volume of soln. in liters
d. If you prepare this salt at isotonic concentration with RBC (red blood cellsat 0.154M), what will be the weight in grams of solid NaCl used for the same50ml solution.
2. How many ml of 2.5M H2SO4 (sulfuric acid) to make 100ml of a 0.001Msolution (fw=98.079g/mol͠98g/mol).a.How do you physically prepare this solution?

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Term
Winter
Professor
P. Pepe
Tags
investigator

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