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cestrela7 [59]
3 years ago
15

Potassium (K) combines with magnesium bromide (MgBr2) to form potassium bromide (KBr) and magnesium (Mg) during a chemical react

ion.
Which of the following shows the balanced chemical equation for this reaction?

a) K + MgBr2 = KBr + Mg
b) 2 K + MgBr2 → 2 KBr + Mg
c) 2 K + MgBr2 = KBr + 2 Mg
d) 2 K +2 MgBr2 = 2 KBr + 2 Mg
Chemistry
1 answer:
amm18123 years ago
5 0

Answer: option B - 2 K + MgBr2 = 2 KBr + Mg

Explanation:

2K + MgBr2 --> 2 KBr + Mg

On Left side: 2moles of Potassium (K) reacts with 1 mole of MgBr2

On Right side: 2 moles of KBr and 1 mole of Mg.

You will observe that the coefficient of each element on left side and Right side is balanced in option B, unlike other options.

So, option B is the answer.

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