All GRE Subject Test: Chemistry Resources
Example Questions
Example Question #11 : Reaction Chemistry
If of is used for the reaction given, how many grams of was formed?
Based on the molecular equation, for every 4 moles of reacted, 2 moles of is formed as a product:
We must calculate the molecular weight of :
To calculate the number of grams of , we need to convert the number of moles of to grams using the molecular weight as a conversion factor.
Example Question #12 : Reaction Chemistry
If of is formed during the reaction given, how many grams of was used?
Based on the molecular equation, for every 2 moles of formed, 1 mole of is reacted:
We must calculate the molecular weight of :
To calculate the number of grams of , we need to convert the number of moles of to grams using the molecular weight as a conversion factor.
Example Question #13 : Reaction Chemistry
If of is formed during the reaction given, how many grams of was used?
Based on the molecular equation, for every 3 moles of formed, 1 mole of is reacted:
We must calculate the molecular weight of :
To calculate the number of grams of , we need to convert the number of moles of to grams using the molecular weight as a conversion factor.
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