. The empirical formula is the simplest whole number ratio.
The correct answer is 1. HCI
Calorimetry-the science or act of measuring changes in state variables of a body for the purpose of deriving heat transfer associated with changes of its due date.
Answer:
Na valency 1
Explanation:
Na -sodium.
This element is in the 1A group, so it has 1 electron on the last (valent) level.
So, only 1 electron can participate in forming chemical bond, and therefore the valency of Na is 1.
