Question

Suppose you had 2.0158 grams of (H2) how many moles of hydrogen do u have ?

Answer 1

`\hbox { You have to calculate the Molecular Mass for H2:}`


`M_(H2) = 2A _(H2) = 2*1=2 \hbox { grames/mole}`


`\hbox { So, in 2,0158 grames of H you will have 1 mole...}`