How many milliliters of 95% (v/v) alcohol and 30% (v/v) alcohol should be mixed to prepare 1,000 mL of a 50% (v/v) solution?

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How many milliliters of 95% (v/v) alcohol and 30% (v/v) alcohol should be mixed to prepare 1,000 mL of a 50% (v/v) solution?






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