Answer:
ans. is 0.05
Explanation:
molarity=(mole of solute)/(litre of solution)
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
covalent bond is firmed between two atoms
Answer: In the immune responds B,D are correct
Explanation:
I know this because i already learned it