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Anyone good in chemistry?

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

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

justingurl99 posted il y a plus d’un an

ok thnx for checking anyway

fake_alibi13 posted il y a plus d’un an

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, ou something psychotic like that :P

fake_alibi13 posted il y a plus d’un an

fake_alibi13 posted il y a plus d’un an

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rino25 said:

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

posted il y a plus d’un an

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 il y a plus d’un an

ohhh toi l’amour it?:O it's so hard!!!!!!!! yes try to ask some one older than toi in ur house ou something!:(

rino25 posted il y a plus d’un an

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

fake_alibi13 posted il y a plus d’un an

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

rino25 posted il y a plus d’un an

noahnstar1616 said:

I suck at science. So...

posted il y a plus d’un an

Aqua_Rose said:

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

But if toi need the Mr ou Ar toi can use a periodic table, tableau to work it out.

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

posted il y a plus d’un an

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 donné so I assume I don't have to use it

fake_alibi13 posted il y a plus d’un an