2Na + Cl2 --> 2NaCI If 24.90 gram of sodiurn reacts, how many mols of sodium chloride will be produced?

What do you need with it’s not a question your just stating what it says

Density= mass/volume so 5.1 divided by 4.7 is  5.1 / 4.7 =1.08510638298round to the correct number of sig figs

Answerchemical energy;