Chemistry: which of the following substances has a molar mass of 133.3g

label Chemistry
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MgCl2

BaCl2

P2O5

AlCl3

Dec 5th, 2015

Thank you for the opportunity to help you with your question!

mass of MgCl2=24+35.5*2 =95g

mass of BaCl2=137.3+35.5*2=208.3g

mass of P2O5=30.97*2+16*5=141.94 g

mass of AlCl3=26.98+35.5*3=133.3


so the answer is AlCl3

Please let me know if you need any clarification. I'm always happy to answer your questions.
Dec 5th, 2015

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