So scientist around the world can share there info without having to convert and doing extra work.
each isotope of a given element has a different mass number. For example, carbon-12, carbon-13<span> and carbon-</span>14<span> are </span>three<span> isotopes of the element carbon with mass numbers </span>12<span>, </span>13<span> and </span>14<span> </span>
Density= mass/volume
= 100/25
density = 4g/ml
Answer:
There are 1.8×1024 atoms in 1.5 mol HCl
Explanation:
Answer:
1.3 meters
Explanation: use newton third law equation.