Home
Class 12
CHEMISTRY
1.5gm mixture of SiO(2) and Fe(2)O(3) on...

`1.5gm` mixture of `SiO_(2)` and `Fe_(2)O_(3)` on very strong heating leave a residue weighting `1.46gm`. The reaction responsible for loss of weight is . `Fe_(2) O_(3) (s) rarr Fe_(3)O_(4) (s) + O_(2)(g)`
What is the percentage by mass of `Fe_(2)O_(3)` is original sample .

A

0.8

B

0.2

C

0.4

D

0.6

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Fe_(3)O_(4) is:

2.0 g of a sample contains mixture of SiO_(2) and Fe_(2)O_(3) . On very strong heating , it leaves a residue weighing 1.96 g . The reaction responsible for loss of mass is given below . Fe_(2)O_(3)(s) to Fe_(3)O_(4)(s) + O_(2)(g) , (unbalance equation) . What is the percentage by mass of SiO_(2) in original sample ?

2.0g of a sample contains mixture of SiO_2 and Fe_2O_3 . On very strong heating, it leaves a residue weighing 1.96 g . The reaction responsible for loss of mass is given below. Fe_2O_3(s)rarrFe_3o_4(s)+O_2(s) , (unbalance equation) . What is the percent by mass of SiO_2 in original sample ?

4Fe+3O_(2) rarr 2Fe_(2)O_(3) (reference to iron )

The equivalent weight of FeS_(2) in the following reaction is FeS_(2)+O_(2) rarr Fe^(+3)+SO_(2)

Na_(2)CO_(3)+Fe_(2)O_(3)rarr A+CO_(2) , what is A in the reaction ?

Na_(2)CO_(3)+Fe_(2)O_(3)rarr A+CO_(2) , what is A in the reaction ?

Fe_(2)O_(3)+3H_(2) rarr 2Fe+3H_(2)O ( reference to iron )

Fe(s)+H_(2)O(l) overset(Boil) to Fe_(3)O_(4)+H_(2)uarr

Fe(s)+H_(2)O(l) overset(Boil) to Fe_(3)O_(4)+H_(2)uarr