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IMAS 2017 — Upper Primary Grades 5–6 — Round 1 Question 8

IMAS · IMAS 2017 — Upper Primary Grades 5–6 — Round 1

Question 8

Salted water with 3.2% concentration weights 500 g. How many salt, in grams, is left if the water is vaporized completely?
  1. 16
  2. 32
  3. 64
  4. 100
  5. 128