Test medicina in Inglese 2014-2015: domande e soluzioni

Test medicina in lingua inglese, la simulazione con le domande e le soluzioni

Domanda 36 di 43

Excess lead (II) nitrate solution is added to 1.30 g of zinc powder and the mixture is stirred. When the reaction is finished the lead formed is filtered, dried and weighed. It has a mass of 3.31 g.

What is the percentage yield of the lead?