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

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

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

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

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

waterineyes
 2 years ago
Best ResponseYou've already chosen the best response.21 mole = 98 g Right using molar mass..

waterineyes
 2 years ago
Best ResponseYou've already chosen the best response.298 g = 1 mole Find it for 392 g..

ashna
 2 years ago
Best ResponseYou've already chosen the best response.1392 * 1 / 98 = 4 moles correct ?

waterineyes
 2 years ago
Best ResponseYou've already chosen the best response.298*4 = 392 I think..

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

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

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

waterineyes
 2 years ago
Best ResponseYou've already chosen the best response.2Now 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..

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

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

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