Homework Help: science

Posted by wizzkid01 on Tuesday, December 16, 2008 at 7:54am.

I need help to find the answer to this problem:

The formula for aluminum sulfate is Al2(SO4)3. Figure the molar mass of aluminum sulfate to the nearest gram?

science - bobpursley, Tuesday, December 16, 2008 at 7:55am
Look up the atomic mass of
Al, S, and O.

Now, multiply Al by 2
multiply S by 3
mulitpy O by 12

add them.

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