Some Basic Concepts Of Chemistry Question 93

Question: 2.76 g of silver carbonate on being strongly heated yield a residue weighing

Options:

A) 2.16 g

B) 2.48 g

C) 2.64 g

D) 2.32 g

Show Answer

Answer:

Correct Answer: A

Solution:

[a] 2Ag2CO3Δ4Ag+2CO2+O2

2×276,gm 4×108,gm

2×276gm of Ag2CO3 gives 4×108,gm

1,gm of Ag2CO3 gives =4×1082×276

2.76,gm of Ag2CO3 gives 4×108×2.762×276=2.16,gm



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