Seudónimo Seudónimo
  • 14-04-2022
  • Chemistry
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It's #9 Pls help will give 100 points and brainiest

Its 9 Pls help will give 100 points and brainiest class=

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indrawboy
indrawboy indrawboy
  • 14-04-2022

heating is repeated to ensure all water molecules have evaporated

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Аноним Аноним
  • 03-05-2022
  • Mass of KNO_3=25g
  • Mass of water=175g

Mass%

  • Mass of element/Mass of solution×100
  • 25/175+25×100
  • 25/200×100
  • 25/2
  • 12.5%

Option B

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