Request a call back

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

CBSE Class 12-science Answered

How  many  grams of  concentrated NITRIC  ACID solution  should be  used  to  prepare  250ml of 2M NITRIC  ACID ? The  concentrated acid  is 70% NITRIC  ACID {HNO3} 
Asked by pardeepkumar2281 | 13 May, 2018, 08:01: AM
answered-by-expert Expert Answer
No. of moles = (250×1000)/2
 
                   = 0.5 moles
No. of moles = molarity × volume
 
Requird mass of HNO3 = 0.5 × 63
 
                                  = 31.5 gm
 
70 gm of HNO3 are present in 100 gm of solution,
So 1 gm will be present in 100/70 gm of solution.
 
31.5 gm be present in (100/70)× 31.5 gm of solution
 
                               = 45 gm
 
Answered by Varsha | 13 May, 2018, 09:02: PM
CBSE 12-science - Chemistry
Asked by saritanohar22 | 13 Jan, 2024, 01:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by shamiyaali732 | 26 Sep, 2023, 02:00: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by elabarman58 | 23 Jan, 2023, 09:39: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by gauravrastogi577 | 16 Aug, 2022, 06:18: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by gauravrastogi577 | 16 Aug, 2022, 06:17: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by shiv.pama83 | 27 Nov, 2021, 05:50: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by mdarsadazizh | 31 Aug, 2021, 01:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by tejasdhaware509 | 02 Apr, 2021, 12:46: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×