How many atoms are there in 0.36g of magnesium?

1 Answer
anor277
Jan 15, 2018

#"Number of magnesium atoms"=8.92xx10^21#

Explanation:

We find the molar quantity....

#-=(0.36*g)/(24.3*g*mol^-1)=0.0148*mol#

And thus there are #0.0148*mol# with respect to magnesium....and so there are....

#0.0148*molxx6.022xx10^23*mol^-1=8.92xx10^21*"individual magnesium atoms"#

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