A student performed a laboratory activity where beryllium was reacted with hydrochloric acid. If they actually produced 4.5g of beryllium chloride, what was the percent yield?

1 Answer
anor277
Jan 25, 2017

Unknown..........

Explanation:

#"% yield"# #=# #"Equivalence mass of product"/"Equivalent mass of reactant"xx100%#.

You have a stoichiometric eqaution:

#Be(s) + 2HCl(aq) rarr BeCl_2(aq) + H_2(g)#.

And you have a mass of product.

You do not have molar quantities of the reactant...........

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