Question

A piece of zinc weighing 0.635g when treated with excessof dilute H2SO4 liberated 200cm² of hydrogen at s.t.p. Calculate percentage purity of zinc sample​

Answer 1

Explanation:

${\underline{\underline{\large{\red {\sf { a = \dfrac{v-u}{t}} }}}}$

$\boxed{\sf { a = 4m/{s}^{2}} }$