The statement that is true among
the following sentences is ‘Minerals can be elements or compounds’. Minerals cannot
be liquid in form and they are not organic. Minerals are inorganic and present
as solid in phase. When placed in water, they do not dissolve at all.
Do it urself ;) jdhdhdhdhdhhdhdhdhdhdhdhdhdhgdhd
It would repel some of the negatively charged electrons of the wall so the answer would be C. The wall and the ballon repel each other
C = 4 mol/l
v = 0.5 l
n(NaCl)=cv
n(NaCl) = 4 mol/l · 0.5 l = 2 mol
2 moles of NaCl must be dissolved
