Chemistry, asked by manojamanoopp4i75t, 9 months ago

a 100g mixture of feo and fe2o3 gains 8g upon reaction with o2. calculate % by mass of fe2o3 in original 100g mixture.

Answers

Answered by nagathegenius

0

Answer:

Explanation:

Weight of fe2o3 - weight of feo =8

Moles of fe2o3 = moles of feo

X gm feo

W=1.45x

X=17.78 gm

Weight of fe2o3 = 82.23 gm

Percentage fe2o3 = 82.23

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