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Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro