CH101- Assignment 20

CH101- Assignment 20 - 1. Indicate which of the following...

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Unformatted text preview: 1. Indicate which of the following substances could be used to make a solution that is 0.1 M in Pb 2+ ion. a) Pb(ClO 4 ) 2 b) PbCl 2 c) PbCrO 4 d) PbCO 3 e) PbS f) Pb(NO 3 ) 2 Your answer should be a "word" made up of the letters a ,b, c, d, e and f. However, only include the letters of those compound(s) that could be used. Your word may be anywhere from zero to six letters long. Make sure to list them alphabetically, if there are more than one. A response of bef would mean that only the second, fifth and sixth compounds could be used. Note that the word efb would be counted wrong, since WebAssign is looking for an alphabetical listing. Answer: af 2. Which of the following pairs of 0.1 M aqueous solutions would result in the formation of a precipitate upon mixing? a) lead acetate + potassium hydroxide b) ammonium acetate + cadmium nitrate c) sodium chromate + nickel(II) iodide d) strontium perchlorate + iron(II) sulfate Indicate those pairs that result in a precipitate by their letter. Your response should be a "word" made up of the letters a, b, c and d. The word may be zero, one, two, three or four letters long. Make sure your choices are in alphabetical order. A response of bd d....
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CH101- Assignment 20 - 1. Indicate which of the following...

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