$4 \, g$ of copper is dissolved in concentrated $HNO_3$. Upon strong heating of the resulting copper nitrate solution,$5 \, g$ of its oxide is obtained. The equivalent weight of copper is ...... .
- A$23$
- B$32$
- C$12$
- D$20$
Explore More
Similar Questions
Use the data given in the following table to calculate the molar mass of naturally occurring argon isotopes:
Isotope Isotopic molar mass $(g \, mol^{-1})$ Abundance (%) $^{36}Ar$ $35.96755$ $0.337$ $^{38}Ar$ $37.96272$ $0.063$ $^{40}Ar$ $39.9624$ $99.600$
| Isotope | Isotopic molar mass $(g \, mol^{-1})$ | Abundance (%) |
| $^{36}Ar$ | $35.96755$ | $0.337$ |
| $^{38}Ar$ | $37.96272$ | $0.063$ |
| $^{40}Ar$ | $39.9624$ | $99.600$ |
Medium
View SolutionAmong $10^{-9} \ g$ (each) of the following elements,which one will have the highest number of atoms?
Element: $Pb, Po, Pr$ and $Pt$
Element: $Pb, Po, Pr$ and $Pt$
The number of atoms in one molecule of sulphur is
Medium
View Solution$0.1 \ g$ of metal combines with $46.6 \ mL$ of oxygen at $STP$. The equivalent weight of the metal is:
Difficult
View SolutionThe atomic weight of $Ne$ is $20.2$. It is a mixture of $Ne^{20}$ and $Ne^{22}$. What is the relative abundance of the heavier isotope (in $\%$)?
Difficult
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo