The answer is highlighted in blue, i just need the work please:)

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled