Problem

Problem

What is the amount, in moles, of sulfate ions in 100 cm3100\text{ cm}^3 of 0.020 mol dm−30.020\text{ mol dm}^{-3} FeSO4(aq)\text{FeSO}_4(\text{aq}) ? a. 2.0×10−32.0 \times 10^{-3} b. 2.0×10−22.0 \times 10^{-2} c. 2.0×10−12.0 \times 10^{-1} d. 2.0

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