TVASALLO31
18.07.2021 •
Chemistry
1: When salt is mixed into water it becomes a. element
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Ответ:
Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution.
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Ответ:
Therefore, note that one mole of ZnSO4.7H2O, contains 7 moles of H2O,
Hence, 3.8 moles of ZnSO4.7H2O will contain;
3.8 × 7/1
= 26.6 moles of H2O