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CHEM 209 Package Deal With Verified Study Solutions (Questions And Answers) Rated A+
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[Show more]CHEM 209 Package Deal With Verified Study Solutions (Questions And Answers) Rated A+
[Show more]Calculate the pH of a 0.10M HOAc (acetic acid) solution. - Answer-pH = -log(.10) = 1 
Calculate the pH of each of the following solutions: 
a. 0.10M HCl 
b. 2.0x10^-4M HNO3 
c. 0.015M NaOH 
d. 12M HCl - Answer-Use equation: pH = -log(molarity) 
a. 1 
b. 3.7 
c. 12.17 
d.-1.1 
Calculate the total num...
Preview 1 out of 2 pages
Add to cartCalculate the pH of a 0.10M HOAc (acetic acid) solution. - Answer-pH = -log(.10) = 1 
Calculate the pH of each of the following solutions: 
a. 0.10M HCl 
b. 2.0x10^-4M HNO3 
c. 0.015M NaOH 
d. 12M HCl - Answer-Use equation: pH = -log(molarity) 
a. 1 
b. 3.7 
c. 12.17 
d.-1.1 
Calculate the total num...
carrier gas -Answer-mobile phase 
In a GC experiment, a student injects 2.0 μL of a 20% ethanol/water solution into the GC. Calculate the 
weight of ethanol that has been injected. (The density of ethanol is 0.789 g/mL at 20° C. -Answer-0.3156 
mg 
In general, why will an increase in operating tem...
Preview 1 out of 1 pages
Add to cartcarrier gas -Answer-mobile phase 
In a GC experiment, a student injects 2.0 μL of a 20% ethanol/water solution into the GC. Calculate the 
weight of ethanol that has been injected. (The density of ethanol is 0.789 g/mL at 20° C. -Answer-0.3156 
mg 
In general, why will an increase in operating tem...
Draw a block diagram of a GC instrument, labeling all the important components. - Mobile phase 
reservoir ---> Sample injector (micro syringe) ---> Stationary Phase (column) ---> Detector (thermal 
conductor) ----> Read-out (computer) 
In a GC experiment, a student injects 2.0 μL of a 2...
Preview 1 out of 2 pages
Add to cartDraw a block diagram of a GC instrument, labeling all the important components. - Mobile phase 
reservoir ---> Sample injector (micro syringe) ---> Stationary Phase (column) ---> Detector (thermal 
conductor) ----> Read-out (computer) 
In a GC experiment, a student injects 2.0 μL of a 2...
1. Draw a block diagram of a GC instrument, labeling all the important components. - Mobile 
Phase Reservoir, Sample Injector, Stationary Phase, Detector, and Read-out 
carrier gas - mobile phase 
In a GC experiment, a student injects 2.0 μL of a 20% ethanol/water solution into the GC. Calculate th...
Preview 1 out of 2 pages
Add to cart1. Draw a block diagram of a GC instrument, labeling all the important components. - Mobile 
Phase Reservoir, Sample Injector, Stationary Phase, Detector, and Read-out 
carrier gas - mobile phase 
In a GC experiment, a student injects 2.0 μL of a 20% ethanol/water solution into the GC. Calculate th...
Calculate the absorbance A of solutions whose percent transmittance is measures as 5%, 10%, 50%, and 
100%. - Answers-A=-log(T) 
1.3, 1.0, .30, and 0 respectively 
Give the block diagram of a visible spectrophotometer, illustrating the major components of the 
instrument in the correct sequence. - A...
Preview 1 out of 2 pages
Add to cartCalculate the absorbance A of solutions whose percent transmittance is measures as 5%, 10%, 50%, and 
100%. - Answers-A=-log(T) 
1.3, 1.0, .30, and 0 respectively 
Give the block diagram of a visible spectrophotometer, illustrating the major components of the 
instrument in the correct sequence. - A...
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