Which of the following will be precipitated when a solution containing calcium acetate, strontiu...

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Which of the following will be precipitated when a solution containing calcium acetate, strontium acetate and barium acetate is treated with \( \left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} \) ?
(a) \( \mathrm{CaSO}_{4} \) and \( \mathrm{SrSO}_{4} \)
(b) \( \mathrm{SrSO}_{4} \) and \( \mathrm{BaSO}_{4} \)
(c) \( \mathrm{BaSO}_{4} \) and \( \mathrm{CaSO}_{4} \)
(d) \( \mathrm{SrSO}_{4} \) only
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