B is the answer. For an equation to be balanced there must be the same amount of each element on the two sides. The only one where this is the case is B.
7 would be correct because I divide it
Answer:
2K + 2H2O → H2 + 2KOH
Explanation:
Find how many atoms you have on both sides then add 2 to both sides.
Reactant: Products:
K: 1+1=2 K: 1+1=2
H: 2+2=4 H: 3+1=4
O: 1+1=2 O: 1+1=2
Therefore it is balanced. Hope this helps
The correct answer is: [C]: " mg " {"milligrams"} .
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