Recent questions tagged probability-questions

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Q: Name the compound which shows anti-ferroelectric property.

Name the compound which shows anti-ferroelectric property. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the mass percentage of benzene `(C_(6)H_(6))` and carbon tetraCHMloride `( C Cl_(4))` if `22g` of benzene is dissoved in `122g` of carbon te

Calculate the mass percentage of benzene (C6H6) and carbon tetraCHMloride (CCl4) if 22g of benzene is ... carbon tetraCHMloride. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the mole fraction of benzene in solution containing `30%` by mass in carbon tetrachloride.

Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the molarity of eaCHM of the following solutions `:` `a. 30g` of `Co(NO_(3))_(2).6H_(2)O` in `4.3L` of solution `b. 30mL` of `0.5 M H_(2)SO_

Calculate the molarity of eaCHM of the following solutions : a.30g of Co(NO3)2.6H2O in 4.3L of solution b ... diluted to 500mL . Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the mass of urea `(NH_(2)CONH_(2))` required in making `2.5 kg `of `0.25 `molal aqueous solution.

Calculate the mass of urea (NH2CONH2) required in making 2.5kg of 0.25 molal aqueous solution. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the `(a)` molality, `(b)` molartiy, and `(c)` mole fraction of `KI` if the density of `20% (` mass `//` mass `)` aqueous `KI` is `1.202 g m

Calculate the (a) molality, (b) molartiy, and (c) mole fraction of KI if the density of 20%( mass / mass ) aqueous KI is 1.202gmL-1 . Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: The boiling point of water at `750mm Hg` is `99.63^(@)C`. How muCHM sucrose is to be added to `500 g` of water suCHM that it boils at `100^(@)C`.

The boiling point of water at 750mmHg is 99.63∘C . How muCHM sucrose is to be added to 500g of water suCHM that it boils at 100∘C . Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the mass of ascorbic acid `(` Vitamin `C,C_(6)H_(8)O_(6))` to be dissolved in `75g` of acetic acid to lower its melting poit by `1.5^(@)C. K

Calculate the mass of ascorbic acid ( Vitamin C,C6H8O6) to be dissolved in 75g of acetic acid to lower its melting ... .Kf=3.9Kkgmol-1 Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving `1.0g` of polymer of molar mass `185,000` in `450mL` of water a

Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0g of polymer of molar mass 185 ... at 37∘C . Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Define the term solution. How many types of solutions are formed ? Write briefly about eaCHM type with an example.

Define the term solution. How many types of solutions are formed ? Write briefly about eaCHM type with an example. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance