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Anyone good in chemistry?

If yes can you please help me with a problem? I nave posted it here. link

I'm not in that grade level yet. Sorry,,

justingurl99 posted over a year ago

ok thnx for checking anyway

fake_alibi13 posted over a year ago

Hiding 5 comments... click to show.

ok whatever,,,anyway if I can't find a solution uuntil tomorrow I will probably barge in my chemistry teachers office and demand her to solve it, or something psychotic like that :P

fake_alibi13 posted over a year ago

fake_alibi13 posted over a year ago

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rino25 said:

nooo -.- i'm not gd at all :(
and I HATE HER !!!!

posted over a year ago

it seems I am the only person on earth that likes it, and now I have become obsessed with this problem bacause I can't solve it :(

fake_alibi13 posted over a year ago

ohhh you love it?:O it's so hard!!!!!!!! yes try to ask some one older than you in ur house or something!:(

rino25 posted over a year ago

The only older is my mom who is more of a literature and grammar person...so she pretty much sucks at chemistry... :(

fake_alibi13 posted over a year ago

ohhh thers is no one :(:( what about ur friends in class?

rino25 posted over a year ago

noahnstar1616 said:

I suck at science. So...

posted over a year ago

Aqua_Rose said:

I did a GCSE exam for that last year, but now I can't remember :(

But if you need the Mr or Ar you can use a periodic table to work it out.

Practically all I can remember is the equation mass = Mr x moles, but then you probably already knew that :S

posted over a year ago

I already know that and I have solved it with the Mr, I want to know if there is any way to solve it without it, since out of the 10 problems it is the only one that the Ar is not given so I assume I don't have to use it

fake_alibi13 posted over a year ago