Write down the formulas for the following substances: a) nitric acid, if it is known that its molecule contains one hydrogen atom, one nitrogen atom

Write down the formulas for the following substances:
a) nitric acid, if it is known that its molecule contains one hydrogen atom, one nitrogen atom and three oxygen atoms:
b) hydrogen sulfide, the molecule of which consists of two hydrogen atoms and one sulfur atom:
c) ethyl alcohol, the molecule of which contains two carbon atoms, six hydrogen atoms and one oxygen atom

a) nitric acid, if it is known that its molecule contains one hydrogen atom, one nitrogen atom and three oxygen atoms: HNO3;
b) hydrogen sulfide, the molecule of which consists of two hydrogen atoms and one sulfur atom: H2S;
c) ethyl alcohol, the molecule of which contains two carbon atoms, six hydrogen atoms and one oxygen atom: C2H6O.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.