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A 230 mL sample of a 0.276 M CaCl2 solution was left on a hot plate overnight the following morning the solution is 1.10. What volume of water evaporated from the 0.276 M CaCl2 solution?
Wiki User
∙ 11y ago
0.230 L X 0.276M CaCl2 = 0.0635 moles CaCl2 present in solution.
Moles before dilution = moles after dilution
0.0635 moles/V = 1.10 M CaCl2.
V = 0.0577 L left in solution.
0.230 L (original) - 0.0577 L (left over) = 0.172 L (evaporated)
0.172 L = 172 mL
Wiki User
∙ 11y ago
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