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28 Sep 2019
2 Na3PO4(aq) + 3 MgCl2(aq) ® 6 NaCl(aq) + Mg3(PO4)2(s)
1. How many grams of Mg3(PO4)2 can be produced when 82.0 mL of 3.5 M MgCl2 reacts with excess sodium phosphate?
2. A solution is made up of 86.3g ethylene glycol (C2H6O6) in 143.2g of water.
Calculate the freezing point of this solution (âTf = m X Kf, For water Kf = 1.86 oC/m)
3. Calculate the boiling point of the ethylene glycol/water solution from question #2 (âTb = m X Kb, For water Kb = 0.512 oC/m)
2 Na3PO4(aq) + 3 MgCl2(aq) ® 6 NaCl(aq) + Mg3(PO4)2(s)
1. How many grams of Mg3(PO4)2 can be produced when 82.0 mL of 3.5 M MgCl2 reacts with excess sodium phosphate?
2. A solution is made up of 86.3g ethylene glycol (C2H6O6) in 143.2g of water.
Calculate the freezing point of this solution (âTf = m X Kf, For water Kf = 1.86 oC/m)
3. Calculate the boiling point of the ethylene glycol/water solution from question #2 (âTb = m X Kb, For water Kb = 0.512 oC/m)
Jean KeelingLv2
28 Sep 2019
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