Chemistry, 29.09.2019 12:20 ahmedislife
Jose’s lab instructor gives him a solution of sodium phosphate that is buffered to a ph of 4. because of an error that he made while calibrating the ph meter, jose’s measurements of the ph of the sodium phosphate solution are 5.4, 5.4, and 5.4. which statement best describes his results? they are accurate but not precise. they are precise but not accurate. they are both precise and accurate. they are neither accurate nor precise.
Answers: 2
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 10:00
Nonpoint source pollution is difficult to control because it
Answers: 2
Jose’s lab instructor gives him a solution of sodium phosphate that is buffered to a ph of 4. becaus...
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