How to balance this equation Al+cl2----- Alcl3
Answers
For a beginner, the best method is to practice the method to taught to you
since aluminium exists as a single atom you can balance chlorine by taking lcm and make up for the less aluminium.
Al+Cl2---->AlCl3
=>Al+3Cl2------>2AlCl3 balance the chlorine by lcm(2 on L.H.S, 3 on R.H.S.)
=>balance the remaining aluminiuim
=>2Al+3Cl2----->2AlCl3----------------------> Answer
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Answer: 2Al+Cl2 = 2AlCl3
Explanation:
equation 1 2
no of Al atoms = 1 1
no of chlorine = 2 3
so multiply the equation by by the to get the LCM of chlorine atom
equation one chlorine by 3 = Al + 2*Cl2 = Al + 2Cl2
equation two {note whole equation} = 2*AlCl3 =2*AlCl3
now
equation 1 2
no of Al atoms = 1 2
no of chlorine = 6 6
to equal aluminium
so multiply the equation by by the to get the LCM of aluminium atom
equation one aluminium by 3 = 2*Al + 2Cl2 = 2Al + 2Cl2
equation two {note whole equation} = 1*2AlCl3 =2*AlCl3
equation 1 2
no of Al atoms = 2 2
no of chlorine = 6 6
All the atoms are same on both sides hence the equation is balanced.