Simple you take the largest percent and divide by the smallest percent to get the subscript for that element. So you should get

and just F.
The answer to your question is option b, a base. This is because the question clearly tells you that one reactant is an acid. Then, it tells you that an acid plus something gives you a salt and water, as products
From background knowledge, we know that a base plus acid gives you a salt and water. The hydroxide ions from the base neutralise the hydrogen ions from the acid, which gives you water ( as it has a pH of 7).
Therefore, your answer is b, a base
The domain of Eukarya contains eukaryotes, which are cells with nuclei.
Decantation
Centrifugation
Filtration
Evaporation
Answer:
The name of the products are CO2 = carbon dioxide and H2O = water. The type of reaction is a combustion reaction.
Explanation: