Some Basic Concepts Of Chemistry Question 125

Question: How many grams of CaO are required to neutralize 852 g of P4O10 ?

Options:

A) 1008 g

B) 108 g

C) 1800 g

D) 3600 g

Show Answer

Answer:

Correct Answer: A

Solution:

[a] This neutralization reaction will be : 6CaO+P4O102Ca3(PO4)2

852gP4O103molP4O10 1 mole of P4O10 neutralises 6 mol CaO 3 moles of P4O10 will netralise 18 moles of CaO Mass of CaO=18×56=1008g



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