Question

कन्वर्ट इनटू मोले 12 ग्राम आफ ऑक्सीजन गैस​

Answer 1

Explanation:

NUMBER OF MOLE= GIVEN MASS/ MOLAR MASS

Here,given mass of O2=12g

Molar mass of O2 =16×2=32g

so,no.of Mole=12/32

=3/8

=0.375