Solids dissolve better and better as temperatures increase Gas dissolves worse as temperatures increase 1 List 3 of the

Question

Solids dissolve better and better as temperatures increase Gas dissolves worse as temperatures increase 1 List 3 of the compounds to this graph that are solids How did you know 2 List 3 of the compounds to this graph that are gasses 3 4 Solubility Curves 5 How did you know How many grams of HCl dissolves at 45 C at 20 C How many grams of KNO dissolves at 50 C at 66 C How many grams of NH CI can dissolve at 10 C at 20 C 6 At what temperature do HCl and KNO both dissolve 63 grams of solute 7 For NH what temperature is needed to dissolve 70 g 55g 8 For KCIO what temperature is needed to dissolve 5g 35g 9 Matching Unsaturated solutions Saturated solutions Supersaturated solutions Solute per 100 g of H O g 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Table C Solubility Curves 0 10 20 XA a Hold maximum the solute they can b Holds extra solute c Can hold more solute HCI Saturated Unsaturated Supersaturated Solutions Write S for saturated SS for supersaturated and US for unsaturated NaNO3 KNO SO 30 40 50 60 70 Temperature C 13 On a solubility curve the graphed data point is on the line for the solution 14 On a solubility curve the graphed data point is above the line for the solution 15 On a solubility curve the graphed data point is below the line for the solution 16 More solute could still be dissolved in the solvent at a given temperature NH CH KCI KCIO3 10 Extra solute will settle at the bottom because the maximum saturation point is already reached 11 One more crystal added causes many more crystals to separate from the solution making one large collection of crystals crystallization or forming a precipitate 12 A pinch of salt added to a bottle of water NaC NH 80 90

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