Question

strontium sulfate is also an insoluble sulfate.
explain why this is not surprising based on the location of strontium in the periodic table

Answer 1

Solubility of sulfates and carbonates is decreasing from top to bottom of group 2 of periodic table in order Mg>Ca>Sr>Ba
Strontium sulfate is less soluble than Calcium sulfate. However it is more soluble than Barium sulfate.