O CHEMICAL REACTIONS 3/5 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 and B empirical formula of solution A solution B precipitate are mixed? sodium acetate barium nitrate O yes O no sodium sulfide copper(II) bromide O yes O no nickel(II) nitrate iron(II) bromide O yes O no II

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O CHEMICAL REACTIONS
3/5
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 and B
empirical
formula of
solution A
solution B
precipitate
are mixed?
sodium acetate
barium nitrate
O yes
O no
sodium sulfide
copper(II) bromide
O yes
O no
nickel(II) nitrate
iron(II) bromide
O yes
O no
II
Transcribed Image Text:O CHEMICAL REACTIONS 3/5 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 and B empirical formula of solution A solution B precipitate are mixed? sodium acetate barium nitrate O yes O no sodium sulfide copper(II) bromide O yes O no nickel(II) nitrate iron(II) bromide O yes O no II
O ACIDS AND BASES
3/5
Predicting the qualitative acid-base properties of salts
Consider the following data on some weak acids and weak bases:
acid
base
K.
K,
name
formula
name
formula
hypochlorous acid
HCIO
3.0 x 108
ethylamine C2H;NH, 6.4 × 10
hydrocyanic acid
HCN
4.9 x 10 10
methylamine CH,NH, 44×1o
Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' 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 м КС
choose one v
0.1 M CH3NH3CI
choose one
0.1 M NACN
choose one v
0.1 M C2H5NH3 Br
choose one v
II
Transcribed Image Text:O ACIDS AND BASES 3/5 Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: acid base K. K, name formula name formula hypochlorous acid HCIO 3.0 x 108 ethylamine C2H;NH, 6.4 × 10 hydrocyanic acid HCN 4.9 x 10 10 methylamine CH,NH, 44×1o Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' 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 м КС choose one v 0.1 M CH3NH3CI choose one 0.1 M NACN choose one v 0.1 M C2H5NH3 Br choose one v II
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