Homework Help: 10th grade

Posted by dasha on Thursday, November 4, 2010 at 9:37pm.

how many moles of anhydrous MgSO4 are in 2.04grams of MgSO4

10th grade - bobpursley, Thursday, November 4, 2010 at 9:38pm
moles= massingrams/molmassMgSO4
10th grade - Pedro, Sunday, December 5, 2010 at 9:43am
mass: 2.04

molar mass of MgSO4: 24.3+32.1+16*4=120.4

moles= 2.04/120.4
= 0.0169mol

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