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Aleksandr-060686 [28]
1 year ago
12

PLEASE HELP!!!

Chemistry
1 answer:
Lesechka [4]1 year ago
6 0

Find pH of all

#A

pH=-log[H+]

  • pH=-log[3.5×10^{-5}]
  • pH=-log3.5+5
  • pH=4.4

#B

  • pH=-log3.5+4
  • pH=3.4

#C

pOH=-log[OH]

  • pOH=-log[1.3×10^{-10}]
  • pOH=-log1.3+10
  • 9.8

pH=

  • 14-9.8
  • 4.2

#4

  • pOH=-log6.2+11
  • pOH=10.2

pH

  • 14-10.2
  • 3.8

So our answers

  1. solution A is least acidic
  2. solution A has the highest pH
  3. solution A is most basic
  4. solution B is least basic

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