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In: Chemistry

For which of the mixtures will Ag2SO4(s) precipitate?

For which of the mixtures will Ag2SO4(s) precipitate? 

 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of 0.20 M AgNO3(aq)

 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of 0.30 M AgNO3(aq)

 150.0 mL of 0.10 M NazSO4(aq) and 5.0 mL of 0.40 M AgNO3(aq)

 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of 0.50 M AgNO3(aq)


Which of the compounds is more soluble in an acidic solution than in pure water?

 Zn(OH)

 KCIO4

 PbS

 CuBr

 CuCN


A certain indicator, HA, has a Ka value of 1.6 x 10-7. The protonated form of the indicator is yellow and the ionized form is blue. 

What is the pKa of the indicator? 

pKa = _______ 

What is the color of this indicator in a solution with pH = 9? 

  •  green

  •  yellow

  •  blue



Solutions

Expert Solution

queen_honey_blossom answered 2 years ago
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