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                                    77 When 800g of a 20% solution by weight was cooled, 100 g of a solute precipitated. The percentage concentration of the remaining solution is A 8.57% B 15% C 12.25% D 9.5% | 
                            
| Answer» 77 When 800g of a 20% solution by weight was cooled, 100 g of a solute precipitated. The percentage concentration of the remaining solution is A 8.57% B 15% C 12.25% D 9.5% | |