A synthesis reaction takes place when carbon monoxide (CO) and hydrogen gas (H2) react to form methanol (CH3OH). How many grams of methanol are produced when 7.0 grams of carbon monoxide reacts with 2.5 grams of hydrogen gas? (5 points) 7.0 grams Ob 8.0 grams 15 grams d 20 grams

Explanation:

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In this case, since the described chemical reaction is:

And we know that the reacting mass of carbon monoxide is 7.0 g and that of hydrogen is 2.5 g, we identify the limiting reactant by computing the yielded moles of methanol by each reactant as follows:

Thus, since carbon monoxide yields 0.25 moles of methanol only, we infer it is the limiting reactant, therefore the mass of methanol that are produced turn out:

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