Question

Calculate the moles of Hydrogen present in a 500 cm sample of hydrogen gas at a pressure of 760
of Hg and 27°C​

Answer 1

Answer:

mark me as brainlist

Explanation:

500 cm  

3  =0.5 L,760 mm of Hg=1 atm.  

Now apply the gas equation, n=  RT PV

 n=  0.0821×300 1×0.5 ​⟹n=2.03×10  −2  mol