The mass of urea that should be dissolved in 193 g of water at 35°c to produce a solution with a vapor pressure of 38. 1 mmhg is (at 35°c, vapor pressure of pure water = 42. 2 mmhg; molar mass of urea = 60 g/mol).

Of four agents alpha, beta, gamma anddelta, three have to be sent together on amission. if alpha and beta cannot gotogether, beta and gamma cannot go togetherand gamma and delta cannot go together,then which of the following holds? 1. any three agents can be sent.2. alpha, delta and any one out of beta andv gamma can be sent.3. beta, gamma and any one out of alphaand delta can be sent.4. the mission is impossible.

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What should you adjust to make your hard hat fit properly