Question:

If molarity of \(Cu^+2\) ions is 3x10^-4 express this in ppm

Updated On: Sep 3, 2024

0.3
0.2
0.1
0.6

Hide Solution

Verified By Collegedunia

The Correct Option is A

Solution and Explanation

The correct option is (A): 0.3

Was this answer helpful?

0

0

Top Questions on Mole concept and Molar Masses

When '$x \times 10^{-2} \, \text{mL}$' methanol (molar mass $= 32 \, \text{g}$; density $= 0.792 \, \text{g/cm}^3$) is added to $100 \, \text{mL}$ water (density $= 1 \, \text{g/cm}^3$), the following diagram is obtained.

x = __________ (nearest integer)
[Given: Molal freezing point depression constant of water at $273.15 \, \text{K}$ is $1.86 \, \text{K kg mol}^{-1}$]
- JEE Main - 2024
- Chemistry
- Mole concept and Molar Masses
View Solution
A sample of \( \text{CaCO}_3 \) and \( \text{MgCO}_3 \) weighed 2.21 g is ignited to constant weight of 1.152 g. The composition of the mixture is:
(Given molar mass in g mol\(^{-1}\))
- JEE Main - 2024
- Chemistry
- Mole concept and Molar Masses
View Solution
Ail organic compound has 42.1% carbon, 6.4% hydrogen and remainder is oxygen. If its molecular weight is 342, then its molecular formula is :
- JEE Main - 2024
- Chemistry
- Mole concept and Molar Masses
View Solution
Molality $(m)$ of $3 \, \text{M}$ aqueous solution of $\text{NaCl}$ is:
(Given: Density of solution $= 1.25 \, \text{g mL}^{-1}$, Molar mass in $\text{g mol}^{-1}$: $\text{Na} = 23, \, \text{Cl} = 35.5$)
- JEE Main - 2024
- Chemistry
- Mole concept and Molar Masses
View Solution
Number of moles of \(H^+\) required by \(1\) mole \(MnO_4^-\) to oxidize oxalate ion to \(CO_2\) is ____ .
- JEE Main - 2024
- Chemistry
- Mole concept and Molar Masses
View Solution

View More Questions

Questions Asked in JIPMER MBBS exam

View More Questions