Answer: This is called moles
Explanation: This is described to be the number of molecules, atoms or ions in a substance :)
Answer:
there are 0.074 moles in 2.3 grams of phosphorus
Answer:
There are three rules on determining how many significant figures are in a number:
Non-zero digits are always significant.
Any zeros between two significant digits are significant.
A final zero or trailing zeros in the decimal portion ONLY are significant.
What statement?
Light moves faster through a vacuum because no particles are existent to absorb it.
