CBSE Class 11-science Answered
Find charge on 1.90 g of PO4 2-
Asked by sambhavi b | 17 Apr, 2012, 10:17: PM
Expert Answer
The molecular mass of PO42- 95 g.
The no of electrons in PO42- are 49.
Charge on one electron =1.6 x10-19 C
Number of molecules in 1.9 g PO42- = 6.02 X1023 X 1.9
------------------
95
= 0.1204 X 1023
So number of electrons in 0.1204 X 1023 molecules are 0.1204 X 1023 x 49 =5.8996 X 1023 electrons.
So charge = 5.8996 X 1023 X 1.6 x10-19
=9.43936 X 104
Answered by | 19 Apr, 2012, 07:00: PM
Concept Videos
CBSE 11-science - Chemistry
Asked by hm6561889 | 15 Apr, 2024, 07:45: AM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by manikandanragul1 | 11 Apr, 2024, 09:02: AM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by jayag1298 | 08 Apr, 2024, 03:14: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by omniscientnjf2021 | 07 Apr, 2024, 10:18: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by ansh.skulkarni1158 | 07 Apr, 2024, 11:03: AM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by nikhithaguguloth14 | 29 Mar, 2024, 08:15: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by sumedhasingh238 | 27 Mar, 2024, 11:04: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by avijotsingh946431 | 22 Feb, 2024, 05:36: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by gurmelsinghray | 21 Feb, 2024, 08:43: AM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by VarunTYAGi9013 | 21 Oct, 2023, 07:14: PM
ANSWERED BY EXPERT