{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

scan0007 - Q 2.22 Give the indicators used color and pH...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Q 2.22 Give the indicators used, color, and pH obtained for the above test. Not 0 H = W (mantel) Ailzai—IW Yellow“ HReékoW PH; IM\80’Car-miflt "‘ LISJ’OL’W 1" [27 curd 7. Test for C1 '. Place about 10 - 20 drops each of 0.1 M NaCl, 0.2 M Ba(OH) *, 0.5 M Na2C03, and 0.5 M N aZS O 4 into individual small test tubes or vials. Add one drop 5661‘ um of 0.02 M AgNO3 ** to each. Stir and observe any significant changes DeSCribe results Girom below being sure to comment on color and relative amount of any precipitates formed. Solution Tested Ion Tested Observations , q. .. ‘ wmaq islet Ci whats; new? (new) greases. 0.31M 39.62115; Ba” * After use, all mixtures prepared Which contain Ba2+ are to be disposed of into the "Barium Waste" bottle (n_ot into the sink). Remember this when performing subsequent investigations which involve Bap“. ** After use, all mixtures prepared which contain Ag+ are to be disposed of into the "Silver Waste" bottle (n_ot into the sink). Remember this when performing subsequent investigations which involve Agi Q 2.23 Write the equation for each precipitate—forming reaction which occurred. Note that for the investigation involving 0.2 M Ba(OH)2, Ag(OI-I2 )(OH)(s) is white and gelatinous whereas Ag2 0(3) is brown- black and powdery. . . x 7: 5 9‘43’24453 + COBJaafi “9 flgaCfiscs-l _ --t> A5 0155 6*ch ’48 “(55 élAg—iéap + cibflngr" g??? Ortiz." n) I: — I ' ‘ ' Q 2. 24 Imagine that a strongly- -basicsgolution which contains Cl is treated with 0.02 M AgNO3. Why would this investigation likely not allow the conclusion that Cl‘ was in the test solution? (9.70 Mmi wart-613 (3%” C- Maniac-1.5K imwfi» ...
View Full Document

{[ snackBarMessage ]}