SATHEE: Some Basic Concepts Of Chemistry Question 65

Some Basic Concepts Of Chemistry Question 65

Question: How many moles of $P_{4}$ can be produced by reaction of 0.10 moles $C a_{5} {(P O_{4})}_{3} F, 0.36$ moles $S i O_{2}$ and 0.90 moles C according to the following reaction?

$4 C a_{5} {(P O_{4})}_{3} F + 18 S i O_{2} + 30 C \overset{}{\to}$ $3 P_{4} + 2 C a F_{2} + 18 C a S i O_{3} + 30 C O$

Options:

A) 0.060

B) 0.030

C) 0.045

D) 0.075

Show Answer

Answer:

Correct Answer: A

Solution:

[a] $4 C a_{5} {(P O_{4})}_{3} F + 18 \underset{0.36}{\overset{L . R .}{S i}}, O_{2} + \underset{0.9}{30 C}, \overset{}{\to} 3 P_{4} + 2 C a F_{2}$ $+ 18 C a S i O_{3} + 30 C O$ 18 moles of $S i O_{2}$ gives 3 moles of $P_{4}$ 0.36 moles of $S i O_{2}$ will give $= \frac{3}{18} \times 0.36 = 0.06$ mole

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Some Basic Concepts Of Chemistry Question 65

Question: How many moles of P4 can be produced by reaction of 0.10 moles Ca5(PO4)3F,0.36 moles SiO2 and 0.90 moles C according to the following reaction?

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Question: How many moles of $P_{4}$ can be produced by reaction of 0.10 moles $C a_{5} {(P O_{4})}_{3} F, 0.36$ moles $S i O_{2}$ and 0.90 moles C according to the following reaction?