Calcium sulfate is a solid that is not readily soluble in water, but may dissolve in the presence of hydrochloric acid (depending on the concentration of the acid) to form sulfuric acid and calcium chloride:
CaSO4 + 2HCl --> H2SO4 + CaCl2
if you assume that the calcium sulfate does react with hydrochloric acid, the calcium chloride that is formed will be very soluble in water and if produced in an aqueous environment, may dissolve....
Calcium sulfate is a solid that is not readily soluble in water, but may dissolve in the presence of hydrochloric acid (depending on the concentration of the acid) to form sulfuric acid and calcium chloride:
CaSO4 + 2HCl --> H2SO4 + CaCl2
if you assume that the calcium sulfate does react with hydrochloric acid, the calcium chloride that is formed will be very soluble in water and if produced in an aqueous environment, may dissolve. This would cause a shift in the reaction to favor the production of less soluble CaSO4. If the acid used is relatively concentrated and there isn't much water, the calcium chloride is less likely to dissolve. In either case, the solid that may be formed is a white powder.
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