which of the following solutions will have the lowest vapour pressure 1)0.1M glucose 2)0.1M NaCl. 3)0.1M MgCl2. 4)0.1M Al2 (SO4)3
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the answer is option 2 )-0.1M
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12
2 )-0.1M is the right option.
You can proper formula offer the all resources which colligative and more the no. of solute particles and concentration of solution more is the lowering in the case of your NaCl within the2 ions whereas BaCl2 into 3 ions as
NaCl (0.1M) —-> Na+(0.1M) + Cl-(0.1M) [0.2M] and
BaCl2 (0.1M) —→ Ba+2 (0.1M) + 2Cl-(0.2M) [0.3M]
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