14-4
Chapter 14
	Dr. Robert Belford & Rebekah Reinhart

Question 1

Calculate the parts per million of 2.00L of 2.76 * 10-3 M KMnO₄. The molecular weight of KMnO₄is 158g/mol

(A) 109 ppm

(B) 218 ppm

(C) 436 ppm

(D) None of the above

Your response

Not answered yet

Question 2

Calculate the parts per million of 2.5L of 7.42 * 10-3M KCl. The molecular weight of KCl is 74.55 g/mol

(A) 186 ppm

(B) 742 ppm

(C) 552 ppm

(D) None of the above

Your response

Not answered yet

Question 3

Calculate the parts per billion of 6.2L of a 2.77 * 10-6M solution of ZnCl2. The molecular weight of ZnCl₂is 136.3g/mol

(A) 377 ppb

(B) 214ppb

(C) 171 ppb

(D) None of the above

Your response

Not answered yet

Question 4

Calculate the parts per billion of 5.0L of a 2.762 * 10-8M solution of AgBr₂. The molecular weight of AgBr₂ is 267.7 g/mol.

(A) 3.70 ppb

(B) 7.39 ppb

(C) 1.38 ppb

(D) None of the above

Your response

Not answered yet