Question

calculate percentage of calcium in the following two fertilizers and explain which one is better fertilizer for calcium.

a) calcium hydrogen phosphate (ca(h2po4)2


b) calcium phosphate ca3(po4)2

(Atomic masses -: Ca -40
P -31
O -16
H. -1)​

Answer 1

Answer:

b. calcium phosphate ca3po42

Explanation:

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Answer 2

Answer:

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Explanation:

This is the molar solubility of calcium phosphate at 25°C. However, the molarity of the ions is 2x and 3x, which means that [PO43−] = 2.28 × 10−7 and [Ca2+] = 3.42 × 10−7. The solubility product of silver carbonate (Ag2CO3) is 8.46 × 10−12 at 25°C.