The graph shows the solubility of various solid ionic compounds at different temperatures. According to the graph, how many grams of CuSO4 will dissolve in 100 grams of water at 90C?
A.
35 grams
B.
40 grams
C.
55 grams
D.
63 grams
Based on the graph, at 90C, the solubility of CuSO4 is approximately 50 grams/100 grams of water. Therefore, the correct answer is C. 55 grams.
To determine how many grams of CuSO4 will dissolve in 100 grams of water at 90°C, we need to find the solubility of CuSO4 at that temperature on the graph.
From the provided options, we can see that the most reasonable answer is missing. Therefore, we need to assess the graph to find the correct answer. Please provide the information on the graph so that we can determine the solubility of CuSO4 at 90°C.
To answer this question, we need to analyze the graph showing the solubility of CuSO4 (copper(II) sulfate) at different temperatures.
First, find the point on the graph corresponding to 90°C. Locate the temperature of 90°C on the x-axis and follow it up until you intersect with the line representing CuSO4.
Next, locate the y-axis on the graph, which represents solubility (in grams of CuSO4 per 100 grams of water). Read the value where the line intersects the y-axis.
Finally, multiply the solubility value obtained from the graph by 100 grams (since we want to know the solubility in 100 grams of water).
Based on the answer choices provided, select the option that is closest to the calculated value.
Without the actual graph or specific values, it is not possible to provide an exact answer. However, by following the steps outlined above, you will be able to determine the approximate solubility of CuSO4 in 100 grams of water at 90°C.