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Question
Balance the chemical equation Na+H2O= NaOH+H2
Balance the chemical equation Na+H2O= NaOH+H2
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Solution
Na+H2O= NaOH+H2
Balanced equation:
2Na+2H2O→2NaOH+ H2 Explanation: You have to count the number of atoms in both sides of the reaction to be equal, to make it a little easier you can make a list. So in the equation Na+H2O= NaOH+H2 , there are
1−Na−1
2−H−3
1−O−1
So you multiply NaOH and H2O by 2, so you have 4 hydrogens in both sides, and then multiply Na by 2 to be equal to the NaOH you previously multiplied
Balanced equation:
2Na+2H2O→2NaOH+ H2 Explanation:
You have to count the number of atoms in both sides of the reaction to be equal, to make it a little easier you can make a list. So in the equation Na+H2O= NaOH+H2 , there are
1−Na−1
2−H−3
1−O−1
So you multiply NaOH and H2O by 2, so you have 4 hydrogens in both sides, and then multiply Na by 2 to be equal to the NaOH you previously multiplied
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