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How to prepare 70%(v/v ) Ethanol in water? ( Ethanol is absolute, Mwt 46g/mol ) By diluting 70ml of Ethanol 1000mL Deionized water By diluting

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How to prepare 70%(v/v ) Ethanol in water? ( Ethanol is absolute, Mwt 46g/mol ) By diluting 70ml of Ethanol 1000mL Deionized water By diluting 140ml of Ethanol 1000mL Deionized water By diluting 140ml of Ethanol 200mL Deionized water By diluting 140ml of Ethanol 2000mL Deionized water

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