Question

7.5g of an unknown gas occupses 5.6
Litres of volume of STP. The
gas
may
be
(a)No
(b)N²o
(c)Co
(d)Co²​

Answer 1

Answer:

Try using PV=nRT

Step-by-step explanation:

here the value of Pressure and temperature is given as at STP temperature is 0 degree Celsius and pressure is 1 bar. after getting molar mass check If it matches with anyone of those given in the option

also

$n = \frac{given \: mass}{molar \: mass}$