Consider the graph below that displays the solubility of KCI in water as a function of temperature. 50 g of KCI is mixed with 100 g of water at 25 °C and is then heated to 50 °C. Select which statement best describes what would be observed as the system proceeds to establish equilibrium. 100 Solubility (g per 100 g H₂O) 80 60 40 20 0 20 KCI 40 60 Temperature (°C) 80 100 O a. A homogeneous solution of hydrated ions is initially observed, when a further 10 g of KCI is added, some of the added KCI is observed to dissolve, but some of the additional KCI remains in solid form. O b. A heterogenous system involving an equilibrium between hydrated KCI ions and solid KCI is observed. O c. A homogeneous solution of hydrated ions is initially observed, when a further 1 g of KCI is added, this additional KCI is also observed to dissolve. O d. A homogeneous solution of hydrated ions is observed before spontaneous crystallisation of KCI occurs when the solution is poured onto a crystal of KCI.

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Chapter1: Chemical Foundations
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Consider the graph below that displays the solubility of KCI in water as a
function of temperature. 50 g of KCI is mixed with 100 g of water at 25 °C
and is then heated to 50 °C. Select which statement best describes what
would be observed as the system proceeds to establish equilibrium.
100
Solubility (g per 100 g H₂O)
80
60
40
20
0
20
KCI
40
60
Temperature (°C)
80
100
O a. A homogeneous solution of hydrated ions is initially observed, when a
further 10 g of KCI is added, some of the added KCI is observed to
dissolve, but some of the additional KCI remains in solid form.
O b. A heterogenous system involving an equilibrium between hydrated
KCI ions and solid KCI is observed.
O c. A homogeneous solution of hydrated ions is initially observed, when a
further 1 g of KCI is added, this additional KCI is also observed to
dissolve.
O d. A homogeneous solution of hydrated ions is observed before
spontaneous crystallisation of KCl occurs when the solution is poured
onto a crystal of KCI.
Transcribed Image Text:Consider the graph below that displays the solubility of KCI in water as a function of temperature. 50 g of KCI is mixed with 100 g of water at 25 °C and is then heated to 50 °C. Select which statement best describes what would be observed as the system proceeds to establish equilibrium. 100 Solubility (g per 100 g H₂O) 80 60 40 20 0 20 KCI 40 60 Temperature (°C) 80 100 O a. A homogeneous solution of hydrated ions is initially observed, when a further 10 g of KCI is added, some of the added KCI is observed to dissolve, but some of the additional KCI remains in solid form. O b. A heterogenous system involving an equilibrium between hydrated KCI ions and solid KCI is observed. O c. A homogeneous solution of hydrated ions is initially observed, when a further 1 g of KCI is added, this additional KCI is also observed to dissolve. O d. A homogeneous solution of hydrated ions is observed before spontaneous crystallisation of KCl occurs when the solution is poured onto a crystal of KCI.
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