Calculations involving gravimetric data

Calculations involving gravimetric data - 12/17/2011...

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12/17/2011 1 CALCULATIONS INVOLVING GRAVIMETRIC DATA 12/17/2011 Analytical Chemistry 2 (Chem) 1 Gravimetric Calculations 12/17/2011 Analytical Chemistry 2 (Chem) 2 Mass A Moles A Moles B Mass B Divide by MW A Multiply by Stoichiometric ratio Divide by MW B
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12/17/2011 2 Gravimetric Factors 12/17/2011 Analytical Chemistry 2 (Chem) 3 Some Gravimetric Factors Substance Weighed Substance Sought GF AgCl Cl MW( Cl )/MW( AgCl ) BaSO 4 SO 3 MW( SO 3 )/MW( BaSO 4 ) Fe 2 O 3 F e 3O 4 2MW( Fe 3 O 4 )/3MW( Fe 2 O 3 ) PbCrO 4 Cr 2 O 3 MW( Cr 2 O 3 )/2MW( PbCrO 4 ) Mg 2 P 2 O 7 MgO 2MW( MgO )/MW( Mg 2 P 2 O 7 ) 12/17/2011 Analytical Chemistry 2 (Chem) 4
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12/17/2011 3 Worked Problems What mass of AgNO 3 (169.99 g/mol) is needed to convert 2.33 g of Na 2 CO 3 (106.0 g/mol) to Ag 2 CO 3 ? What mass of Ag 2 CO 3 will be formed? 12/17/2011 Analytical Chemistry 2 (Chem) 5 7.47 g AgNO 3 6.06 g Ag 2 CO 3 Worked Problems The calcium sample of a natural water was determined by precipitating the cation as
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This note was uploaded on 02/02/2012 for the course CHEM 211 taught by Professor Santos,j during the Spring '11 term at Abu Dhabi University.

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Calculations involving gravimetric data - 12/17/2011...

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