An unknown element Z is a dull brittle powder that reacts

Last updated: 5/4/2023

An unknown element Z is a dull brittle powder that reacts with oxygen at high temperatures Reaction of 0 665 gram of 2 with oxygen under two different sets of conditions forms gaseous products with masses of 1 328 g and 1 660 g What is the approximate atomic mass of the element O 12 32 24 48