Question

Question 8 How many oxygen atoms are there in $5.64 \times 10^{-9}$ g of $Ca_3(PO_4)_2$? A. $1.09 \times 10^{13}$ B. $8.76 \times 10^{13}$ C. $4.38 \times 10^{13}$ D. $2.72 \times 10^{16}$ E. $2.72 \times 10^{13}$

          Question 8
How many oxygen atoms are there in $5.64 \times 10^{-9}$ g of $Ca_3(PO_4)_2$?
A. $1.09 \times 10^{13}$
B. $8.76 \times 10^{13}$
C. $4.38 \times 10^{13}$
D. $2.72 \times 10^{16}$
E. $2.72 \times 10^{13}$

Question 8
How many oxygen atoms are there in 5.64 × 10^-9 g of Ca3(PO4)2?
A. 1.09 × 10^13
B. 8.76 × 10^13
C. 4.38 × 10^13
D. 2.72 × 10^16
E. 2.72 × 10^13

Added by Eric H.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

06/11/2023

Step 1

The molar mass of Ca is 40.08 g/mol. The molar mass of P is 30.97 g/mol. The molar mass of O is 16.00 g/mol. So, the molar mass of Ca3(PO4)2 is: 3(40.08 g/mol) + 2(30.97 g/mol) + 8(16.00 g/mol) = 310.18 g/mol. Show more…

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