SATHEE: Some Basic Concepts Of Chemistry Question 192

Some Basic Concepts Of Chemistry Question 192

Question: A 400 mg iron capsule contains 100 mg of ferrous fumarate, ${(C H C O O)}_{2} F e$ . The percentage of iron pasent in it is approximately

Options:

A) 33%

B) 25%

C) 14%

D) 8%

Show Answer

Answer:

Correct Answer: D

Solution:

Molecular weight of ${(C H C O O)}_{2} F e = 170$

Fe present in 100mg of ${(C H C O O)}_{2} F e$

$= \frac{56}{170} \times 100 m g = 32.9 m g$

This is present in 400mg of capsule % of Fe in capsule $= \frac{32.9}{400} \times 100 = 8.2$ .

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Some Basic Concepts Of Chemistry Question 192

Question: A 400 mg iron capsule contains 100 mg of ferrous fumarate, (CHCOO)2Fe . The percentage of iron pasent in it is approximately

Options:

Answer:

Solution:

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Question: A 400 mg iron capsule contains 100 mg of ferrous fumarate, ${(C H C O O)}_{2} F e$ . The percentage of iron pasent in it is approximately