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using mass or conc in rate laws

Posted: Tue Mar 12, 2019 5:36 pm
by Summer de Vera 2C
Hi! Just to confirm, can you either use mass (g) or concentration (M) in the rate laws if it's a sealed vessel? If so, does someone mind explaining this further?

Re: using mass or conc in rate laws

Posted: Tue Mar 12, 2019 6:08 pm
by Tuong-Minh Tran 1C
Rate laws typically only use concentration. If a question gives or asks for the mass of a product or reactant, then you'll have to use the molar mass and volume of the substances involved to convert between mass and concentration.

Re: using mass or conc in rate laws

Posted: Tue Mar 12, 2019 11:28 pm
by Yiting_Gong_4L
when working with rate laws, you should be using concentration.
given grams of a substance and volume you can solve for the M which is concentration to plug into rate laws.