AP biology help! please, +karma, test tommorrow

charmander

charmander

Active member
so i need to be able to get a ph out of a molarity using a calculator. i know i need to use the log function but i cant remember what i need to do exactty.
+mad karma
im already failing this class, so if you could help its be super rad.
gracias
 
what is this world coming to when you need a calculator for biology.

i was hoping the answer would be salamanders
 
well, its ap so its hard as fuck!
i wish i was in regular bio.
i gave you karma though, just to show how cool i am and to excuse sleeping in this class.
 
I don't like how there are no reference tables for AP Bio. They were so great in Earth Science, Bio, and Chem.
 
pH= - log [M]
as long as the molarity (M) is the molarity of the H+ ions...so it has to be an acid....then you just plug it in...if its a base i think you just plug the molarity of the OH- ions....
i think this is right...but its probably in your book
 
Damn, when I took AP bio as a sophmore like 3 years ago we never had to do any of that shit, we barely had to do any math at all and I got a 4. You must have a weird curriculum, sorry for not being able to help you, I thought it would be not chem related haha. Good luck though, if you study hard the test will be a breeze.
 
its the chem shit thats fucking me up, last year in physical science i got a 96%, and i was kickin ass at biology, but my mom decided i should do ap, even though im not going to college. oh well haha
 
I made the assumption that you are still young and don't realize how much college will benefit you.

That's sucks that your parents don't understand the value of education.

I'd recommend that you go to college but that's just me.

It seems weird that your parents want you to take hard classes but they don't care/won't pay for you to go to college. Seems weird to me.

Maybe you'll be on of the kids who is still successful without college, but the odds are certainly against you.
 
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