Answer: b should be the answer just took this test
Explanation:
Find the proportion, and multiply it by 100 to get the percentage.
The proportion is 2.9/3.1=0.935
The percentage is 0.935*100=93.5
Chemical and physical properties are ways that scientists classify a substance. The color or mass it has are physical properties. However, chemical properties are chemical changes a substance undergoes.
The Balanced Reaction is 2N₂O₃⁻ -----> 2 N₂ + 3 0₂
<h3>What is a Balanced Reaction ?</h3>
A reaction in which the number of atoms of each element in the reactant and the product are equal is called a Balanced Reaction .
It is given in the question:
To Balance the chemical equation.
N₂O₃⁻ -----> N₂ + 0₂
To balance the reaction , the number of molecules of each element , i.e. Nitrogen (N) and Oxygen (O) needs to be balanced
2N₂O₃⁻ -----> 2 N₂ + 3 0₂
To know more about Balanced Reaction
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