Answer:
2Zn + 2HCl = H2 + 2ZnCl
Explanation:
Zn is a metal, when metals have reaction with strong acid it will produce H2 gas and the metal's salt which is ZnCl.
Later on you just make the equation in balance.
Write chemical equations and corresponding equilibrium expressions for each of the two ionization steps of carbonic acid.
Cotton is a plant product and paper is also made from plants. So when cotton is burnt, it smells like burning paper. While wool and hair both are from animals, hence on burning they smell similar.
You must perform stoichiometry! always divide by what you already have (this will make since in a moment)
5.2g Carbon | 1 mole/12.01g/mole | 6.02 x 10^23 atoms/1 mole | = atoms in Carbon
above is the basic stoichiometry set up but your calculation should be (5.2g/12.01g) x (6.02 x 10^23) = 2.61 x 10^23 atoms
