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

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Can you try it once??

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Find molecular mass of H2SO4 then use molar mass concept..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0no of moles in 392 g of H2SO4 = x

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0See: Find molecular mass of H2SO4..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0we got that in the first problem :)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01 mole = 98 g Right using molar mass..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.098 g = 1 mole Find it for 392 g..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0392 * 1 / 98 = 4 moles correct ?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0c and d are same so lets leave it

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i'll do it on my own :)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0For b: 22.4 L = 1 mole Find it for 44.8 L.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.01 * 44.8 /22.4 = 2 moles

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Now 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..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I am here only.. So I will check them when I will come.. So don't worry...

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1345185497775:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0ll cum in the evening .. thanks for the help :)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0or in the afternoon :D

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Medal for c and d part.. You have calculated them very correctly..
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