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ashna
Group Title
calculate the no. of moles :
(a) 392 g of H2SO4.
(b) 44.8 L of CO2.
(c) 9 g Al.
(d) 25 g CaCo3.
 2 years ago
 2 years ago
ashna Group Title
calculate the no. of moles : (a) 392 g of H2SO4. (b) 44.8 L of CO2. (c) 9 g Al. (d) 25 g CaCo3.
 2 years ago
 2 years ago

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waterineyes Group TitleBest ResponseYou've already chosen the best response.2
Can you try it once??
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
Find molecular mass of H2SO4 then use molar mass concept..
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
no of moles in 392 g of H2SO4 = x
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
am not getting !
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
you better teach !
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
See: Find molecular mass of H2SO4..
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
we got that in the first problem :)
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
1 mole = 98 g Right using molar mass..
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
98 g = 1 mole Find it for 392 g..
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
392 * 1 / 98 = 4 moles correct ?
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
98*4 = 392 I think..
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
Yep you are right..
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
c and d are same so lets leave it
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
i'll do it on my own :)
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
For b: 22.4 L = 1 mole Find it for 44.8 L.
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
how to do b ?
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
1 * 44.8 /22.4 = 2 moles
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
Now do here all the three left and I am going to have bath.. While teaching you I forgot to take bath today.. Yes 2 moles is right @ashna Now try other two till then I am having bath..
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
okay teacher :P
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
I am here only.. So I will check them when I will come.. So don't worry...
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
thank you teacher :)
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
dw:1345185497775:dw
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
ll cum in the evening .. thanks for the help :)
 2 years ago

ashna Group TitleBest ResponseYou've already chosen the best response.1
or in the afternoon :D
 2 years ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.2
Medal for c and d part.. You have calculated them very correctly..
 2 years ago
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