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This has a formula right?
I can help you, but just making sure
No the problem does not include a equation
Oh okay thank you, do you want me to upload the problem?
Yeah that's fine :3
Well first tell me, what's the atomic weight of Al?
Okay, so this problem involves stoicheomitry
Yeah I think so, but I'm not sure if what I did was right
You're on the right track about the Oxygen part but you got to convert the moles of oxygen into moles Al
yeah I used the ratio of 2/3 as the conversion since no conversion was given. I used 2/3 because of Al2O3
so I multiplied 2/3 by the moles of O2 (.54) in order to get the moles of Al
You don't need to convert the number into moles of Al, Al is simply 1 mol- on the denominator if numerator.
and multiply this by the MW of Al
so multiply .54 by the molar mass of Al?
Yeah, but you can solve this problem using one whole stoicheiomectric uhh setup.
oh okay, thanks. If you don't mind, could I ask you 2 more equations?
sorry I meant to say questions
yeah I did learn it like that too, but my professor wants us to write it out like the way I showed you.
Ah alright. Well are you in Chemistry Honors or AP CHem. ?
But you wrote it correctly also!
I'm actually in college right now and I'm talking chem
That's awesome. Well I'll help either way! I'm going to college this fall. Anyways, your qestions?
first one is right. And 2nd one, you go to balance the equation first which you're doing.. and hold on lemme do the equation
Okay, yeah cause I was getting confused on how to balance the second equation
ugh now I'm stuck on the balancing .-.
yeah... thats where I got stuck too. I can do the rest of the problem easily but the balancing part is really messing me up
Umm could you ask your professor though and let me know too? Ugh sorry about that :C
Yeah I tried doing that and he as not emailed me back yet. And plus my exam is tomorrow, so idk when he's going to email me back. But thank you soo much for you help!!! (:
And don't worry about it, you've helped me a lot!!!!!
wait, maybe no balancing is required. There's 2.5 M of potassium ssulfite
Or maybe oh crap .-. but you're welcome though!