7 protons, 7 electrons and 7 neutrons
ATOMIC # = # of Protons and Electrons
MASS # - ATOMIC # = # of Neutrons
Answer:
welp it would be this option : Move the decimal in 85 TWO places to the right to decrease the value.
Explanation:
Answer:
n = 1.24 moles
Explanation:
Given that,
Mass = 153 grams
Molar mass of KClO₃ = 122.55 g/mol
We need to find the number of moles.
We know that,
No. of moles = given mass/molar mass
So,
![n=\dfrac{153}{122.55 }\\\\n=1.24](https://tex.z-dn.net/?f=n%3D%5Cdfrac%7B153%7D%7B122.55%20%7D%5C%5C%5C%5Cn%3D1.24)
So, there are 1.24 moles in 153 g of KClO₃.