cwhalen18
cwhalen18 cwhalen18
  • 15-01-2021
  • Chemistry
contestada

What coefficient will balance the equation that is shown?

Al +_ HCI-H2 + ALCI,

Respuesta :

ardni313
ardni313 ardni313
  • 16-01-2021

Balanced equation :

2Al +6HCI⇒ 3H₂ + 2AlCI₃

Further explanation

Given

Reaction (unbalanced)

Al +HCI⇒ H₂ + ALCI₃

Required

Balanced equation

Solution

Give a coefficient

aAl +bHCI⇒ cH₂ + AlCI₃

Al, left = a, right=1⇒a= 1

Cl, left = b, right=3⇒b=3

H, left = b, right=2c⇒b=2c⇒3=2c⇒c=3/2

The equation becomes :

Al +3HCI⇒ 3/2H₂ + AlCI₃ x 2

2Al +6HCI⇒ 3H₂ + 2AlCI₃

Answer Link

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