The percentage of hydrogen in C7H18 is calculated as follows:
[18/(12*7+1*8)]*100=18%
The amount of hydrogen in 5.2moles is given by:(18/100)*5.2=0.94moles
My guess on that molecule is nucleus , sorry if it’s not correct
13
Al
Aluminum
Atomic mass 26.982
The ground state electron configuration is the arrangement of electrons around the nucleus of an atom with lower energy levels. The electrons occupying the orbitals of varying energy levels naturally falls towards the lowest energy state or ground state.
Answer:
Table salt in salty water is Solute
Solvent in this solution is Water
