In a preliminary experiment, a solution containing 0.083 7 MX and 0.066 6 M S gave peak areas of Ax = 423 and As = 347. (Areas are measured in arbitrary units by the instrument.) To analyze the unknown, 10.0 mL of 0.146 M S were added to 10.0 mL of unknown, and the mixture was diluted to 25.0 mL in a volumetric flask. This mixture showed Ax - 651 and As - 582. The concentration of X in the unknown is O 0.970 M 0.168 M O 0.673 M O 0.0269 M

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In a preliminary experiment, a solution containing 0.083 7 M X and
0.066 6 M S gave peak areas of Ax= 423 and As = 347. (Areas are
measured in arbitrary units by the instrument.) To analyze the
unknown, 10.0 mL of 0.146 M S were added to 10.0 mL of unknown,
and the mixture was diluted to 25.0 mL in a volumetric flask. This
mixture showed Ax - 651 and As - 582. The concentration of X in the
unknown is
0.970 M
0.168 M
0.673 M
O 0.0269 M
+
11
12
13
14
15
16
17
18
19
20
25
sq
ma
Transcribed Image Text:In a preliminary experiment, a solution containing 0.083 7 M X and 0.066 6 M S gave peak areas of Ax= 423 and As = 347. (Areas are measured in arbitrary units by the instrument.) To analyze the unknown, 10.0 mL of 0.146 M S were added to 10.0 mL of unknown, and the mixture was diluted to 25.0 mL in a volumetric flask. This mixture showed Ax - 651 and As - 582. The concentration of X in the unknown is 0.970 M 0.168 M 0.673 M O 0.0269 M + 11 12 13 14 15 16 17 18 19 20 25 sq ma
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