solubility vs. temperature for a variety of salts\nwhich two solutions have similar solubilities at 40°c?\n○…

solubility vs. temperature for a variety of salts\nwhich two solutions have similar solubilities at 40°c?\n○ na2so4 and nacl\n○ na2haso4 and nacl\n○ na2haso4 and na2so4\n○ ba(no3)2 and ce2(so4)3·9h2o

solubility vs. temperature for a variety of salts\nwhich two solutions have similar solubilities at 40°c?\n○ na2so4 and nacl\n○ na2haso4 and nacl\n○ na2haso4 and na2so4\n○ ba(no3)2 and ce2(so4)3·9h2o

Answer

Explanation:

Step1: Locate 40°C on x - axis

Find the 40°C mark on the temperature axis.

Step2: Read solubilities of salts

Read the solubility values of each salt from the graph at 40°C.

Step3: Compare solubilities

Compare the solubility values to find the two with similar values. From the graph, at 40°C, the solubility of $\mathrm{Na_2HAsO_4}$ and $\mathrm{Na_2SO_4}$ are close.

Answer:

$\mathrm{Na_2HAsO_4}$ and $\mathrm{Na_2SO_4}$