Calculate the number of Mg ions present in 0.019 g of magnesium chlori

1.	Calculate the number of Mg ions present in 0.019 g of magnesium chloride. [atomic mass of Mg = 24]
A.	1.144 × 1022
B.	1.20 × 1023
C.	1.20 × 1020
D.	6.022 × 1023
Answer» D. 6.022 × 1023

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