Recent questions tagged probability-questions

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Q: Calculate the mass percentage of aspirin `(C_(9)H_(8)O_(4))` in acetonitrile `(CHM_(3)CN)` when `6.5g` of `C_(9)H_(8)O_(4)` is dissolved in `450g` of

Calculate the mass percentage of aspirin (C9H8O4) in acetonitrile (CHM3CN) when 6.5g of C9H8O4 is dissolved in 450g of CHM3CN . Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Nalorphene `(C_(19)H_(22)NO_(3))`, similar to morphine , is used to combat withdrawal symptoms in narcotic users. The dose of nalorphene generally giv

Nalorphene (C19H22NO3) , similar to morphine , is used to combat withdrawal symptoms in narcotic users. The dose of ... the above dose. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Calculate the amound of benzoic acid `(C_(6)H_(5)COOH)` required for preparing `250mL` of `0.15 M` solution in methanol.

Calculate the amound of benzoic acid (C6H5COOH) required for preparing 250mL of 0.15M solution in methanol. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: The depression in freeqing point of water observed for the same amount of acetic acid, triCHMoloracetic acid, and trifluoroacetic acid increases in th

The depression in freeqing point of water observed for the same amount of acetic acid, triCHMoloracetic acid, and ... Explain briefly. Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Determine the amount of `CaCl_(2)` (i = 2.47) dissolved in 2.5 L of water sucjh that its osmotic pressure is 0.75 atm at `27^(@)C`.

Determine the amount of CaCl2 (i = 2.47) dissolved in 2.5 L of water sucjh that its osmotic pressure is 0.75 atm at 27∘C . Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: When and why is molality preferred over molarity in handling solution in CHMemistry?

When and why is molality preferred over molarity in handling solution in CHMemistry? Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: What is the effect of temperature on molarity of a solution?

What is the effect of temperature on molarity of a solution? Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: Why vapour pressure of a liquid decreases when a non`-` volatile solute is added to it ?

Why vapour pressure of a liquid decreases when a non- volatile solute is added to it ? Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: What will happen to the boiling point of a solutin if the weight of the solute dissolved is doubled but the weight of solvent taken is halved ?

What will happen to the boiling point of a solutin if the weight of the solute dissolved is doubled but the ... taken is halved ? Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance

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Q: What type of liquids form ideal solution ?

What type of liquids form ideal solution ? Select the correct answer from above options...

asked Jan 5, 2022 in Education by JackTerrance