2.26%, 26.8%, 2 2/5, 2.62, 271%
Hope this helps! :D
Answer:
https://sensorex.com/ph-calculator/
Explanation:
go to this link and then scroll down a little bit and then you'll find the answer
Answer:

How does a balanced chemical equation verify the law of conservation of matter?

According to the Law conservation of matter
Mass can neither be created nor destroyed in a chemical reaction. That is, the total mass of the elements present in the products of a chemical reaction has to be equal to the total mass of the elements present in the reactants. In other words, the number of atoms of each element remains the same, before and after a chemical reaction. Hence, we need to balance the skeletal chemical equation.

<span>these very light gases from escaping into space.
</span>
D is correct.
Another equivalent explanation currently used is the watermelon. Thomson believed (if using the watermelon as an example) that the red part, was some kind of positive matter and the seeds where electrons - electrons stuck to a positively charged matter.
Hope it helped,
Happy homework/ study/ exam!