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MMLU-Pro / 4134 / Some solidCaOin a test tube picks up water vapor from the surroundings to change…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Some solidCaOin a test tube picks up water vapor from the surroundings to change completely to Ca(OH)_2 (s). An ob-served total initial weight (CaO+ test tube) of 10.860 g goes eventually to 11.149 g. What is the weight of the test tube?

category

chemistry

options

  1. 10.860 g
  2. 10.500 g
  3. 11.059 g
  4. 11.149 g
  5. 0.900 g
  6. 9.700 g
  7. 10.249 g
  8. 11.000 g
  9. 9.960 g
  10. 9.860 g

src

stemez-Chemistry

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Source and history

Official source

initial import