+0  
 
0
320
3
avatar+771 

I have the formula Al2(SO4)3. Would I distribute the 3 to become Al2S3O12 or what?

 Sep 10, 2017
 #1
avatar+4 
+1

No, you do not.  The 3 is the number of sulfate ions that are required to bond with 2 aluminum ions.  Distributing it gives you an entirely different compound that may not even exist.

 Sep 10, 2017
 #2
avatar+771 
0

I'm trying to find the molar mass though.

AdamTaurus  Sep 10, 2017
 #3
avatar+4 
+1

(26.98 g Al)(2) + (32.07 g S + (16.00 g O)(4))(3) = 342.15 g/mol

TheHumanCalc  Sep 10, 2017

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