The mass of an atom is determined by
its ionization potential
its electrochemical potential
the number of protons and electrons
the number of neutrons and protons
the number of neutrons and electrons
Correct answer is D
No explanation has been provided for this answer.
Na2SO4
CuSO4
CaSO4
CaCI2
(NH4)2SO4
Correct answer is B
No explanation has been provided for this answer.
O2
NO
SO2
NH3
CO2
Correct answer is C
No explanation has been provided for this answer.
The cracking process is very important in the petroleum industry because it.
gives purer products
yields more lubricants
yields more engine fuels
yields more asphalt
yields more candle wax
Correct answer is C
No explanation has been provided for this answer.
5.0 moles dm3
3.0 moles dm3
2.5 moles dm3
1.0 molesv
0.5 moles dm3
Correct answer is C
Molar mass of KCIO\(_3\) = 122.5 g/mol
3.06g = 10
xg = 1000
\(frac{3.06 * 1000}{10}\)
= 306g
Molar conc = \(frac{Mass conc}{Molar mass}\)
Molar conc = \(frac{306}{122.5}\)
= 2.497mol/dm\(^3\)