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Posted by on Wednesday, March 20, 2013 at 1:24pm.

How many grams of Mg(OH)2 are needed to neutralize 55 ml of 0.25 M HCl .
according to the following reaction. (show all calculations for credit)
Mg(OH)2 (aq) + 2HCl(aq) --- MgCl2 (aq) + 2H2O(l)

  • chemistry - , Wednesday, March 20, 2013 at 5:17pm

    mols HCl = M x L = ?
    Convert mols HCl to mols Mg(OH)2 using the coefficients in the balanced equation.
    Convert mols Mg(OH)2 to grams. g = mols x molar mass.

  • chemistry - , Wednesday, March 20, 2013 at 9:38pm

    Got the first part. Thanks.
    I'm still not sure how to convert mols using the balanced equation...
    sorry, this class got hard really fast.

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