Mole fraction of urea in its aqueous solution is 0.25 .What is the mass of urea present in 200 g urea solution ? (Molecular mass of urea is 60 g `mol^

Question

Mole fraction of urea in its aqueous solution is 0.25 .What is the mass of urea present in 200 g urea solution ? (Molecular mass of urea is 60 g `mol^

Mole fraction of urea in its aqueous solution is 0.25 .What is the mass of urea present in 200 g urea solution ? (Molecular mass of urea is 60 g `mol^(-1)`)

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

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

2 Answers 5 Views

In an aqueous solution ethylene glycol has the mass percentage (% w/w) 30% then the mole fraction of ethylene glycol will be :-

2 Answers 5 Views

What will be the mass percentage of resulting solution prepared by mixing 15% (w/w) 500g aqueous solution of urea with 25% (w/w)400g aqueous solution

2 Answers 7 Views

3.1 mol `Fe^(3+)` and 3.2 mol `"SCN"^(Theta)` present in 1 L solution. At equilibrium 3 mol `FeSCN^(2+)` are formed The equilibrium constant `K_(c)` f

2 Answers 4 Views

Calculate the mole fraction of benzene is solution containing `30%` by mass in carbon tetrachloride. Then calculate the mole fraction by using the for

2 Answers 4 Views

Calculate a) molality b) molarity and c) mole fraction of KI if the density of `20%` (mass / mass) aqueous KI is `1.202" g mL"^(-1)`. As density and %

2 Answers 4 Views

`0.02` mole of `[Co(NH_(3))_(5)Br]Cl_(2)` and 0.02 mole of `[Co(NH_(3))_(5) Cl] SO_(4)` are present in 200 cc of a solution X . The number of moles of

2 Answers 4 Views

An aqueous solution of urea containing 18 g urea in 1500 `cm^(3)` of solution has a density of 1.5 `g//cm^(3)` . If the molecular weight of urea is 60

2 Answers 6 Views

What is the amount of urea dissolved per litre, if aqueous solution is isotonic with 10% cane suger soution (mol. wt. of urea = 60)?

2 Answers 4 Views

Molecular weight of E. Coli DNA is `3.1xx10^(9)` g/mol. Average molecular weight of nucleotide pair is 660 g/mol and each nucleotide pair contirbutes

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct Answer - Mass of urea present =33.33 g
Given : Mole fraction of urea = 0.25
Mass of urea in 200 g solution = ?
Mole fraction of water = 1- 0.25 =0.75
Mass of urea = 0.25 `xx 60 =15 g`
Mass of water = 0.75 `xx 100 = 75 g`
`:.` Mass of solution = 15+ 75 = 90 g
`:.` 90 g solution contains 15 g urea
`:.200` g solution will contain `(200 xx 15)/(90) ` = 33.33 g urea