I think the answer would be A because O is oxygen and it has 7. Although it’s in parentheses and has a 2 on the outside of those parentheses, so you would multiply and 7 x 2 = 14. 14 is larger than the other ones.
Hopefully I’m right and hopefully that helps.
Answer:
2.0 moles
Explanation:
I hope this helps you a little bit at least the answer is 2.0 but if you want to review more stuff check the photos
They are both strong, corrosive acids. Hydrochloric acid can be synthesize using table salt and sulfuric acid.
. The empirical formula is the simplest whole number ratio.
The correct answer is 1. HCI