The formula for molariy is nomber of moles/volume
0.5=n/1=>n=0.5 moles
one mole contains 6.023*10^23 molecules
so 0.5 contain 3.0115*10^23 molecules
Answer:
10.5
Explanation:
well we added together so thats the result
atomic number = protons.
protons+neutrons=atomic mass.
170 (mass) - 41 (proton/number) = 129
that should be ur answer. I hope this helps!
AT, STP in chemistry is the abbreviation for Standard Temperature and Pressure. STP most commonly is used when performing calculations on gases, such as gas density