on 13 of 14 > A student was given a solid containing a mixture of nitrate salts. The sample completely dissolved in water, and upon addition of dilute HC, no precipitate formed. The pH was lowered to about 1 and H,S was bubbled through the solution. No precipitate formed. The pH was adjusted to 8 and H,S was again bubbled in. This time, a precipitate formed. Which compounds might have been present in the unknown? Cr(NO,), Ni(NO,)2 Ca(NO3)2 O Cu(NO,), KNO, O Bi(NO,)3 V Zn(NO,), O AGNO, 6:27 1O 80°F Mostly sunny 7/30
on 13 of 14 > A student was given a solid containing a mixture of nitrate salts. The sample completely dissolved in water, and upon addition of dilute HC, no precipitate formed. The pH was lowered to about 1 and H,S was bubbled through the solution. No precipitate formed. The pH was adjusted to 8 and H,S was again bubbled in. This time, a precipitate formed. Which compounds might have been present in the unknown? Cr(NO,), Ni(NO,)2 Ca(NO3)2 O Cu(NO,), KNO, O Bi(NO,)3 V Zn(NO,), O AGNO, 6:27 1O 80°F Mostly sunny 7/30
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:on 13 of 14 >
A student was given a solid containing a mixture of nitrate salts. The sample completely dissolved in water, and upon addition
of dilute HCl, no precipitate formed. The pH was lowered to about 1 and H,S was bubbled through the solution. No
precipitate formed. The pH was adjusted to 8 and H,S was again bubbled in. This time, a precipitate formed.
Which compounds might have been present in the unknown?
Cr(NO,)3
Ni(NO3)2
Ca(NO3)2
O Cu(NO,),
KNO,
O Bi(NO,),
V Zn(NO,),
O AGNO3
6:27 PM
1O
80°F Mostly sunny
7/30/202
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