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22 July, 17:12

4. According to Reference Table G, how many grams of KNO3 would be needed to saturate 200 grams of

water at 70°C?

(1) 43 g

(2) 86g

(3) 134 g

(4) 268 g

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Answers (1)
  1. 22 July, 17:18
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    The answer is choice (4) 268 g.

    Explanation:

    To find this answer you have to go to the reference table, using Table G, and go to KNO3 at 70°C. Find out how many grams saturate potassium nitrate (134 g). Then you double it (268 g) because it's asking for grams at 200 grams of water.
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