Salt Theoretical Ksp MGCO3 3.5 x 108 Mg(OH)2 1.8 x 10-11 For the standardization of the HCl titrant, 5.230 mg Na2CO3 (98.9% purity, MW = 105.99 g/mol) required 24.4 mL of the titrant to reach the phenolphthalein endpoint. After isolating and precipitating the magnesium salt A, a portion was dissolved in distilled water in order to make a 250.0-mL saturated solution. The titration of a 50.0-mL aliquot of the saturated solution required 8.20 mL of HCl titrant to reach the phenolphthalein endpoint. Meanwhile, dissolving this magnesium salt in 250.0 mL of 0.0200 M MgCl2 required 1.51 mL of the same HCI titrant to titrate a 100.0-mL solution. 1.) Comparing the data in distilled water with the two possible solids, which is the most likely identity of the magnesium salt? Show your full solutions in getting your conclusion. Note: Don't forget to factorin stoichiometry

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Chapter1: Chemical Foundations
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Salt
Theoretical Ksp
MgCO3
3.5 x 10-8
Mg(OH)2
1.8 x 10-11
For the standardization of the HCl titrant, 5.230 mg Na2CO3 (98.9% purity, MW = 105.99
g/mol) required 24.4 mL of the titrant to reach the phenolphthalein endpoint.
After isolating and precipitating the magnesium salt A, a portion was dissolved in distilled
water in order to make a 250.0-mL saturated solution. The titration of a 50.0-mL aliquot
of the saturated solution required 8.20 mL of HCl titrant to reach the phenolphthalein
endpoint.
Meanwhile, dissolving this magnesium salt in 250.0 mL of 0.0200 M MgClz required 1.51
mL of the same HCI titrant to titrate a 100.0-mL solution.
1.) Comparing the data in distilled water with the two possible solids, which is the most
likely identity of the magnesium salt? Show your full solutions in getting your conclusion.
Note:Don't forget to factorin stoichiometry
Transcribed Image Text:Salt Theoretical Ksp MgCO3 3.5 x 10-8 Mg(OH)2 1.8 x 10-11 For the standardization of the HCl titrant, 5.230 mg Na2CO3 (98.9% purity, MW = 105.99 g/mol) required 24.4 mL of the titrant to reach the phenolphthalein endpoint. After isolating and precipitating the magnesium salt A, a portion was dissolved in distilled water in order to make a 250.0-mL saturated solution. The titration of a 50.0-mL aliquot of the saturated solution required 8.20 mL of HCl titrant to reach the phenolphthalein endpoint. Meanwhile, dissolving this magnesium salt in 250.0 mL of 0.0200 M MgClz required 1.51 mL of the same HCI titrant to titrate a 100.0-mL solution. 1.) Comparing the data in distilled water with the two possible solids, which is the most likely identity of the magnesium salt? Show your full solutions in getting your conclusion. Note:Don't forget to factorin stoichiometry
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