A chemist has been asked to make a solution of 8 liters containing 20% acid. The problem is that he has only two acidic solutions, one containing 12% acid and the other containing 32% acid. How much of each should she use?
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तुम्हें यह चीज गूगल से सर्च करनी चाहिए इसका उत्तर कोई नहीं दे पाएगा
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