Question

Calculate the percentage of calcium in Ca( H₂PO₄)₂. ​

Answer 1

Answer is

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Answer 2

AnswEr

• 17.9 %

Solution

Calculating Molecular mass of Ca(H₂PO₄)₂ :

→ 40 + 2[2(1) + 31 + 4(16)]

→ 40 + 2[2 + 31 + 64]

→ 40 + 2[97]    

→ 40 + 194  

→ 234 g

Atomic mass of calcium is 40 g

Now, percentage will be calculated as:

⇒ 40/234 × 100

⇒ 4000/234

⇒ 17.09 %  

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