Monochromatic light literally means Light of one color.
We have that the the molarity of methanol in the solution is mathematically given as
Morality=7.91mol/l
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Chemical Reaction</h3>
Question Parameters:
An <u>aqueous </u><em>solution </em>of methanol (MM = 32.04 g/mol)
A molality of 8.83 m and a density of 1.15 g/mL.
Generally the equation for the is mathematically given as

where
Mass of solution=(100+282.2)
Mass of solution=1289.9
Volume=1289.9/1.15
Volume=1.115L
Therefore

Morality=8.83/1.115
Morality=7.91mol/l
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I honestly think it would be a victor contract..
2Al(No3)3(aq) + 3Ba(OH)2(aq) ------------> 2Al(OH)3(s) + 3Ba(NO3)2(aq)
Ca(s) + ZnBr2(aq) -------------------> Zn(s) + CaBr2(s)
CuSO4(aq) + Na2S(aq) --------------> CuS(s) + Na2SO4(aq)
KBr(aq) + Pb(Cl3)2(aq) -----------------> PbBr2(s) + K(ClO3)(aq)
Might be D bc it’s the only one that makes sense to me