calculate the mass of dioxygen gas which is isotope to 0.5 kg neutron and Oxygen 16
Answer (1)
26th Mar, 2021
Hello Dear,
Molecular weight of oxygen is 32.Thus the number of moles present in 16 g of O2 will be 0.5 Number of molecules present will be 0.5NA Number of gram atoms will be 0.5×2NA=NA( Since one molecule of oxygen contains 2 atoms of oxygen)1 mol of a gas occupies 22.4l at STP, thus given sample will occupy 11.2l at STP.No. of protons=No.of gram atoms×8=8NA(Since one oxygen atom contains 8 protons)
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