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Calculate the: 1) liters of a 4.20 M KCl solution to obtain 0.100 mole of KCl....

Calculate the:
1) liters of a 4.20 M KCl solution to obtain 0.100 mole of KCl.
2) liters of a 8.00 M HCl solution to obtain 6.00 moles of HCl.
3) milliliters of a 2.20 M K2SO4 solution to obtain 1.50 moles of K2SO4.
Express your answer with the appropriate units


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