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Chromium (Cr) can combine with Chlorine (Cl2) to form Chromium chloride (CrCl3). Which equation is a correction representation of this reaction? 2Cr + 3Cl2 --> CrCl3. Cr + Cl2 --> CrCl3. 2Cr + Cl2 -->
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Chromium (Cr) can combine with Chlorine (Cl2) to form Chromium chloride (CrCl3). Which equation is a correction representation of this reaction?

2Cr + 3Cl2 --> CrCl3.
Cr + Cl2 --> CrCl3.
2Cr + Cl2 --> CrCl3.
2Cr + 3Cl2 --> 2CrCl3.

User Scaevity
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2 Answers

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Balance the reaction so the same number of each type of atom is on each side. Which option seems balanced to you?
User Sickelap
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6.2k points
3 votes
Here, You just need to compare the number of atoms at both sides, only option D contains equal number of atom, so it is correct equation.

2Cr + 3Cl2 --> 2CrCl3.

Hope this helps!
User Kamran Jabbar
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5.9k points
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