"Suvarnabhasm", an ayurvedic drug,  is found to contain `400 "ppm"` of colloidal gold.
Channel: Doubtnut
Date: 05/04/2020

"Suvarnabhasm", an ayurvedic drug,  is found to contain `400 "ppm"` of colloidal gold. Mass `%` of gold `("atomic mass of Au" = 197)` will be :