What would occur if barium nitrate and potassium sulfate solutions were mixed?

Answer 1

Are you sure you have reproduced the question accurately....?

Here, metathesis of the cation would give the same compound.

On the other hand, were we to mix #"potassium sulfate"#, and #"barium nitrate"#, both water soluble salts....the following reaction would occur:

#Ba(NO_3)_2(aq) + K_2SO_4(aq) rarr BaSO_4(s)darr + 2KNO_3(aq)#

For the net ionic equation....we eliminate the ions that remain in solution....

#Ba^(2+) + SO_4^(2-) rarr BaSO_4(s)darr#

#"Barium sulfate"# is insoluble stuff....

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.