Low concentration replicate samples of Cd-EDTA gave the following counts in a mass spectral measurement: 195.9, 149.6, 159.3, 174.3, 143.3, 212.7, 164.3, 168.9, 158.3, 175.9. Ten measurements of a blank had a mean of 36.9 counts. A sample containing 2.00 ?M Cd-EDTA gave 1611 counts. Estimate the signal and concentration detection limits for Cd-EDTA.

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

In order to complete this lab. you will need to be familiar with some common chemistry terms. complete the chemical change puzzle and list the relevant terms and their meaning below a. rectant b. product c. supernate