COMPLETE What is the percent by mass of water in the hydrate?
I
%
What is the percent by mass of the anhydrous salt in the hydrate?
DONE

Two things that biomedical has invented or innovated

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture