What mass of CaO will be obtained by hea...

What mass of CaO will be obtained by heating 3 mole of `CaCO_(3)`? [Atomic mass of `Ca=40`]

A

150g

B

168g

C

16.8g

D

15g

Text Solution

Verified by Experts

The correct Answer is:

B

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Knowledge Check

The mass of CaO obtained by heating 100 kg of 95% pure limestone (CaCO_3) is-

A

56 kg

B

28 kg

C

53.2 kg

D

50 kg

The volume of CO_(2) at STP obtained by heating 1 g of CaCO_(3) will be

A

`1 L`

B

`22.4 L`

C

`0.224 L`

D

`11.2 L`

The mass of CaO that shall be obtained by heating 20 kg of 90% pure lime stone (CaCO_(3)) is

A

`11*2 kg`

B

`8*4 kg`

C

`10*08 kg`

D

`16*8 kg`

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