Shanti mixes 39 g of potassium with 39 g of chlorine. She chtains 74 g of potassium chloride and recovers 4
g of unreacted chlorine. Do Shanti's results confirm the law of conservation of mass? (SC.8.P.9.1)
No, because no potassium is left over.
Yes, because the mass of all the reactants is accounted for.
Yes, because all of the potassium reacted with the
chlorine.
No, because the mass of the potassium chloride is greater than the amount of potassium used.
Answers: 2
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Shanti mixes 39 g of potassium with 39 g of chlorine. She chtains 74 g of potassium chloride and rec...
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