1. Tardigrade
  2. Question
  3. Chemistry
  4. If molarity of Cu 2+ ions is 3 × 10-4 express this in ppm

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. If molarity of $Cu ^{2+}$ ions is $3 \times 10^{-4}$ express this in $ppm$

JIPMERJIPMER 2019

Solution:

$1000 mL$ of solution contains $3 \times 10^{-4} Cu ^{2+}$ ions.
So, $10^6\, mL$ of solution contains
$\frac{3\times10^{-4}}{1000}\times10^{6}=0.3\, ppm$