I think it's RbCl and CaO
Answer:
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Proton number is the same as atomic number = 11
as electrons have a mass which is so small its counted as 0 and protons and neutrons relative mass is 1
the number of neutrons = 23- 11 = 12 neutrons
In a neutral atom the number of electrons= number of protons but here we have a +1 ion so there is one less electron then proton therefore the number of electrons = 10
Answer:
Solution
Verified by Toppr
2 molL
−1
Explanation :
Concentration =
Volume of solution
Moles of solute
We assume that potassium nitrate dissolves in the given volume of solvent without gross change in volume.
Concentration =
101.10gmol
−1
404g
×
