Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

In aqueous solution of Urea is 20% by mass of solution. molarity of the solution when density of the solution is 1.2 gram per ml is
Asked by arushidabhade | 07 Jun, 2019, 06:04: PM
answered-by-expert Expert Answer
20%  by mass of solution means 20 gram of Urea is present in 100 gram of of solution.
 
Density equals Mass over Volume space space space space space space space space space 1.02 space space space equals fraction numerator 100 over denominator Volume space of space solution end fraction space space space space space space space space space space space space space space space space space space space equals 98.03 space ml Molarity equals fraction numerator Mass space of space Urea over denominator Molecular space mass space of space ures cross times Volume space of space solution left parenthesis In space straight L right parenthesis end fraction space space space space space space space space space space space space space space space space space space space space space space space space space equals fraction numerator 20 cross times 1000 over denominator 60 cross times 98.03 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 3.4 space straight M space space space space space space space space space space space space space space space space space
Answered by Ravi | 09 Jun, 2019, 07:38: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Chemistry
what is mole
Asked by manikandanragul1 | 11 Apr, 2024, 09:02: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
the algebric sum of the mole fraction of solute and mole fraction of solvent is equal to
Asked by nikhithaguguloth14 | 29 Mar, 2024, 08:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Calculate no. of moles of molecules of water present in 27g.
Asked by sumedhasingh238 | 27 Mar, 2024, 11:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
calculate the number of molecule in a drop weighing 0.05g
Asked by avijotsingh946431 | 22 Feb, 2024, 05:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
two moles of water contains
Asked by gurmelsinghray | 21 Feb, 2024, 08:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
what is the basic difference between a mole and molar?
Asked by bablipanwar893 | 01 Jul, 2023, 12:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
if mass of 2 atoms of an element is 4×10^-23grams, then atomic mass of element will be: ( take: avagadro number =6×10^23
Asked by saijagdale9 | 19 Jun, 2023, 02:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
The maximum number of molecules is present in. (a) 15 L of H2 gas at STP (b) 5 L of N2 gas at STP. (c) 1.5 g of H2 gas (d) 5 g of O2 gas
Asked by kdimple765 | 17 Jul, 2022, 01:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
molarity
Asked by alfirozislam900 | 03 Jul, 2022, 01:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
mole
Asked by alfirozislam900 | 03 Jul, 2022, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×