calculate the molar mass of nitric acid HNO3 (H=1,N=14,O=16)
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PEACE BROTHERS :)
Mass of hydrogen is 1 and there is one hydrogen in HNO3,so here the mass of hydrogen is 1×1=1.
Mass of nitrogen is 14 and there is only one nitrogen in HNO3,so here the mass of nitrogen is 1×14=14.
Mass of oxygen is 16 and there are 3 oxygen molecules in HNO3,so the mass of oxygen is 3×16=48.
Now,the molar mass of HNO3 is the sum of masses of hydrogen,oxygen and nitrogen.