Consider the following data on some weak acids and weak bases: acid base K. name formula name formula hydrocyanic acid HCN 4.9 x 10 -10 NH3 1.8 x 10 5 ammonia hypochlorous acid HCIO 3.0 x 10 8 ethylamine C,H3NH, 6.4 x 10 -4 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will ha the solution that will have the next lowest pH, and so on. solution pH 0.1 M Naclo choose one v 0.1 M KCN choose one v 0.1 M KBr choose one v 0.1 M NH CI choose one v

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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O ACIDS AND BASES
Predicting the qualitative acid-base properties of salts
1/5
Consider the following data on some weak acids and weak bases:
acid
base
K,
K;
name
formula
name
formula
hydrocyanic acid
HCN
4.9 x 10
-10
NH3
1.8 x 10
ammonia
hypochlorous acid
HCIO 3.0 x 10-8
ethylamine C,H;NH, 6.4 x 104
Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to
the solution that will have the next lowest pH, and so on.
solution
PH
0.1 M Naclo
choose one v
0.1 M KCN
choose one v
0.1 M KBr
choose one v
0.1 M NH4CI
choose one v
Transcribed Image Text:O ACIDS AND BASES Predicting the qualitative acid-base properties of salts 1/5 Consider the following data on some weak acids and weak bases: acid base K, K; name formula name formula hydrocyanic acid HCN 4.9 x 10 -10 NH3 1.8 x 10 ammonia hypochlorous acid HCIO 3.0 x 10-8 ethylamine C,H;NH, 6.4 x 104 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution PH 0.1 M Naclo choose one v 0.1 M KCN choose one v 0.1 M KBr choose one v 0.1 M NH4CI choose one v
O CHEMICAL REACTIONS
1/5
Predicting precipitation
Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical
formula in the last column.
Does a
precipitate form
when A andB
are mixed?
empirical
formula of
precipitate
solution A
solution B
potassium hydroxide
zinc chloride
O yes O no
zinc acetate
manganese(II) iodide
O yes O no
potassium acetate
barium nitrate
O yes
O no
III
Transcribed Image Text:O CHEMICAL REACTIONS 1/5 Predicting precipitation Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical formula in the last column. Does a precipitate form when A andB are mixed? empirical formula of precipitate solution A solution B potassium hydroxide zinc chloride O yes O no zinc acetate manganese(II) iodide O yes O no potassium acetate barium nitrate O yes O no III
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