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aluhre aluhre
  • 08-04-2016
  • Chemistry
Answered

how much potassium bromide, in grams, should be added to water to prepare 0.50 of solution with molarity of 0.125M?

Verified Answer :

Willchemistry
Willchemistry Willchemistry
  • 08-04-2016

Volume = 0.50 L

Molar mass  KBr = 119.002 g/mol

Molarity = 0.125 M

Mass ( KBr) = ?

 mass = molarity molar mass volume

mass = 0.125 119.002 0.50

mass = 7.437625 g of KBr

hope this helps!

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