Answer:
Lithium oxide, Li₂O.
Explanation:
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In this case, according to the given amounts, it is possible to write down the chemical reaction as shown below:

Which means that the metallic oxide has the following formula: M₂O. Next, we can set up the following proportional factors according to the chemical reaction:

Thus, we perform the operations in order to obtain:

So we solve for x as shown below:

Whose molar mass corresponds to lithium, and therefore, the metallic oxide is lithium oxide, Li₂O.
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The answer is C. Nicotine is the substance found in tobacco smoke that stimulates the brain.
The answer for it is C. when you mix it with water it fizzes
a specific hypothesis to test with a controlled experiment
Answer:
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