ashley61142 ashley61142
  • 15-01-2021
  • Chemistry
contestada

ScF2 +
KBr ---->
KE +
ScBr2

Respuesta :

ardni313
ardni313 ardni313
  • 15-01-2021

Balanced equation :

ScF₂ + 2KBr ⇒ 2KF + ScBr₂

Further explanation

Given

Reaction

ScF₂ + KBr ⇒ KF + ScBr₂

Required

Balanced equation

Solution

1. Give coefficient

ScF₂ + aKBr ⇒ bKF + cScBr₂

Sc, left=1, right=c⇒c=1

F, left=2, right=b⇒b=2

K, left=a, right=b⇒a=b⇒a=2

The equation becomes :

ScF₂ + 2KBr ⇒ 2KF + ScBr₂

Answer Link

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