When hafnium metal is heated in an atmosphere of chlorine gas, the product of the reaction is found to contain 62.2 percent Hf b

Question

2 years ago

8

y mass and 37.4 percent Cl by mass. What is the empirical formula for this compound?

1 answer:

Artemon [7] · Answer 1 · 2022-06-04T00:05:37+03:00

8 0

Answer:

HfCl3

Explanation:

Step 1

Divide the percent by mass of each element by its relative atomic mass

Hf- 62.2/178.5, Cl-37.4/35.5

0.348, 1.054

Step2

Divide through by the lowest ratio

0.348/0.348, 1.054/0.348

1, 3

Therefore the empirical formula is HfCl3