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Introduction to Chemistry Midterm - 3! 1부
샘플
이것은 샘플 연습 세트입니다. 보다 개인화된 시험 준비 경험을 위해:
또는
3. Matter and Energy / Law of Conservation of Mass / 문제 18
문제 18

In a closed system, 10 grams of A reacts with 15 grams of B to form 5 grams of C and an unknown amount of D. What is the mass of D?