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The concentration of sulfate in a sample of wastewater is to be determined by using gravimetric analysis. To a 100.0-mL sample of the wastewater is added an excess of lead nitrate, forming the insoluble lead sulfate (303.3 g/mol) according to the balanced equation given below. The solid lead sulfate is dried, and its mass is measured to be 0.7256 g. What was the concentration of sulfate in the original wastewater sample?
SO42â(aq) + Pb(NO3)2(aq) â PbSO4(s) + 2NO3â(aq)
The concentration of sulfate in a sample of wastewater is to be determined by using gravimetric analysis. To a 100.0-mL sample of the wastewater is added an excess of lead nitrate, forming the insoluble lead sulfate (303.3 g/mol) according to the balanced equation given below. The solid lead sulfate is dried, and its mass is measured to be 0.7256 g. What was the concentration of sulfate in the original wastewater sample?
SO42â(aq) + Pb(NO3)2(aq) â PbSO4(s) + 2NO3â(aq)
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Collen VonLv2
6 Jun 2019
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