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Heating MgSO4*7H2O at 150 degree Celsius produces MgSO4*xH2O. If heating 24.4 g of pure MgSO4 *7H20 were to give 13.7g of pure MgSO4*xH20, calculate the value of x.
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Vinegar is an aqueous solution of acetic acid CH3OOH. A10 mL sample of a particular vinegar requires 31.45 mL of 0.2560 Mof KOH for its titration. What is the molarity of acetic acid in vinegar?
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