vladaostapenko9 vladaostapenko9
  • 10-01-2024
  • Physics
contestada

Яку масу натрій карбонату потрібно взяти для приготу-
вання розчину об'ємом 5 л з масовою часткою солі 13 %
густина розчину — 1,13 г/см³)?

Дам 60 балів, дякую!

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