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How many grams are in 2.41 times 10^24 atoms of magnesium chloride?
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How many grams are in 2.41 times 10^24 atoms of magnesium chloride?

User CedricB
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Use Avogadro's number to calculate the number of moles of MgCl2 . The number of moles of Cl is twice as much, because the ratio of Cl in MgCl2 to MgCl2 is 2:1. 3.61⋅10246.022⋅1023=5.99. Therefore, there are 12 moles of Cl.
User Helospark
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