3 gm mixture of `SiO_(2)` and `Fe_(2)O_(3)` on very strong heating leaves a residue weighing 2.92gm because of conversion of `Fe_(3)O_(4)` liberating oxygen gas. What is the percentage by mass of `SiO_(2)` in original mixture?

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

2.0 g sample contain mixture of SiO_(2) and Fe_(2)O_(3) , on very strong heating leave a residue weighing 1.96 g. 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 SiO_(2) in original sample ? [Atomic mass : Fe = 56, O = 16, Si = 28]

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 .

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 .

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 samle .

A mixture of Al_(2)O_(3) and Fe_(2)O_(3) can be separated by using

2 gm of a sample contains mixture of SiO_2 and FE_2O_3 . The sample on very strong heating leave a residue of mass 1.96 gm. The reaction responsible for weight loss is 3Fe_2O_3 rarr 2Fe_3O_4 + 1/2 O_2 What is the percentage by mass of SiO_2 in original mixture

A mixture of Al_(2) O_(3) and Fe_(2) O_(3) can be separa-ted by using

A mixture of Al_(2)O_(2) and Fe_(2) can be separated by using

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 ?