Homework #1 BCHS 3304
Review of Basic Calculations, Life and, Thermodynamics
Note: This homework will be collected and count towards your final grade.
Due: 17 February 2003
Show all your work and incorporate units throughout your calculations
.
Chapter 1 of Student Companion
1. Problems: Chapter 1 FOB (p 21) 2, 3, 4, 6, 7, 8, 9, 10
2. Student Companion Study Guide Questions (p 5). 4, 5, 7, 8, 10, 13, 15, 17.
3. Calculate or find the molecular weights of the buffers found on Table 2-5 of FOB.
(keep a running table for yourself to assist you in future problems.)
Hint: For those you do not know look up in reference books or company
source catalogues or on the web.
Many companies have on line
catalogues with the data.
Please reference the source for your data
4.
i) Convert using scientific notation to liters: 4 nanoliters, 20 microliters, 35
milliliters, 10 deciliters, 7 kiloliters
ii) Convert using scientific notation to grams: 6 mg, 21
μ
g, 503 ng, 10 kg
5. Calculate how much of the solid reagent you would add to make the following
solutions:
A. 750 ml of 0.5 M Tris
B. 0.4 L of a 5 M solution of NaCl
C. 300 ml of a 1M MgCl
2
from a bottle of Magnesium chloride hexahydrate.
D. 20 ml of a 100 mg/ml solution of Tetracycline