Explanation:
n=given mass ÷molar mass
make given mass become the subject of the formula by
multiplying the molar mass on both sides of the equation.
n=0.473mol
given mass=??
molar mass=48
therefore,given mass=n×molar mass
=0.473×48
=22.704grams
mass in grams is 22.704grams
Answer:
beta, gamma, gamma
Explanation:
I just guessed and got the answers ur welcome 2020 team work.
Answer:
There are 146 neutrons in Uranium-238
There are 90 electrons in Thorium-234
