Explanation:
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Indicate the type of solute-solvent interaction that should be mostimportant in the solution:
HCl in acetonitrile (CH3CN)
A dispersion forces
B dipole-dipole forces
C ion-dipole forces
D hydrogen bonding
Answered
CCl4 in benzene (C6H6)
in benzene
dispersion forces
Correct
Part B
methanol (CH3OH) in water
methanol in water
hydrogen bonding
Part C
KBr in water
in water
ion-dipole forces
Part D
in acetonitrile
dipole-dipole forces
Answer:
I'm not a chemist nerd, but because hcl is an aqueous acid and is in water, and cl is bonded to hydrogen in water, I would say D: hydrogen bonding.
A chemical symbol represent the number of an element
20 atoms
There are 4 in H2O2 because of 2 hydrogens and 2 oxygens.
Then, multiply by 5 because the coefficient is 5, therefore there are 5 H2O2 molecules.
5 x 4 = 20