abigailsa23oqpmfy abigailsa23oqpmfy
  • 15-01-2020
  • Chemistry
contestada

11. Zinc chloride, ZnCl2, is 52.02% chlorine by mass.
a. What mass of chlorine is contained in 80.3 g of ZnCl2?
b. How many moles of Cl is this?

Respuesta :

znk
znk znk
  • 15-01-2020

Answer:

a. 41.8 g; b. 1.18 mol

Explanation:

1. Mass of Cl

[tex]\text{Mass of Cl} = \text{80.3 g ZnCl}_{2} \times \dfrac{\text{52.02 g Cl}}{\text{100 g ZnCl}_{2}} = \text{41.8 g Cl}[/tex]

2. Moles of Cl

[tex]\text{Moles of Cl} = \text{41.8 g Cl} \times \dfrac{\text{1 mol Cl}}{\text{35.45 g Cl}} = \text{1.18 mol Cl}[/tex]

Answer Link

Otras preguntas

what is 43/100 simplified.
Earth is divided into 24? a. equators b. coordinates c. degrees d. time zones
How long does Neptune take to rotate on its axis?
What element is used in bright flashing advertising signs
To try to escape economic woes, Great Britain raised tariffs. Why was this an unwise thing to do? Higher tariffs created too much of a surplus. It caused runawa
Why did the Egyptians make mummies?
Evaluate 6z-x/3x-y If x=2, y=8, and z=-2
How do you write twenty nine billion thirty two million in standard form?
William Shakespeare’s plays contributed to Renaissance culture by
What are the main historical sources of the democratic tradition