Respuesta :

The answer for the following question is answered below

  • 16.8 grams of nitric acid is needed to produce 30 grams of zinc nitrate

Explanation:

Given:

mass of zinc nitrate = 30 grams

[tex]Zn +2 HNO_{3}[/tex]  → [tex]Zn(NO_{3} ){2}[/tex] + [tex]H_{2}[/tex]

          2×53            189

  molar mass of nitric acid is 53 grams

  molar mass of zinc nitrate is 189 grams

     

     2×53  →  189

         ?     → 30

(i.e.)  = ( 2×53 × 30) ÷ 189

        = 16.8 grams

16.8 grams of nitric acid is needed to produce 30 grams of zinc nitrate