# Which is the thickest solution-1(M) of syrup or 1(m) of syrup?

A 1 mol/L sucrose syrup is thicker (has a greater viscosity) than a 1 mol/kg solution.

It makes sense that the concentrated solution would have a higher viscosity.

We need to express both concentrations in the same units in order to verify this.

Calculate the molarity of a concentration that is 1 mol/kg.

One kilogram of water and 342 grams of sucrose make up a 1 mol/kg solution.

The concentration of a sucrose solution at 1 mol/kg is 0.824 mol/L.

In summary:

A 1 mol/L solution of sucrose ought to be thicker because it is more concentrated than a 1 mol/kg solution.

(Verification: A 1 mol/kg solution's viscosity is 2.52 times that of water, while a 1 mol/L solution's viscosity is 3.26 times that of water.)

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The thickest solution would be 1(M) of syrup, as it indicates a higher concentration of syrup compared to 1(m) of syrup.

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