C-06-Q078mediumsingle_mcqCuSO4⋅5H2O→ΔCuSO4+?\mathrm{CuSO_4 \cdot 5H_2O} \xrightarrow{\Delta} \mathrm{CuSO_4} + ?CuSO4⋅5H2OΔCuSO4+?aH2\mathrm{H_2}H2bO2\mathrm{O_2}O2c5H2O5\mathrm{H_2O}5H2OdHCl\mathrm{HCl}HCl