Question

In the reaction : Zn (s) +2 HCI (aq)— ZnCl2 (aq)+ H2 (g)

What mass of HCI is required to react completely with 4.25 moles of zinc ?

[Atomic mass : H-1.0 u, Cl-35.5 u]​

Answer 1

Answer:

Unit of mass, kilogram (kg): Kilogram is the SI unit of mass and is defined by taking the fixed value of the Planck constant. It is expressed as kg. m2. s-1. ... Unit of the amount of substance, mole (mol): Mole is the SI unit of amount of substance and is defined by the fixed value of Avogadro constant NA.