Question

What is the molarity of an aqueous solution containing 36.0 grams of fructose (C6H12O6) in 50.0...

What is the molarity of an aqueous solution containing 36.0 grams of fructose (C6H12O6) in 50.0 mL of solution? (C = 12.01 amu, H = 1.01 amu, O = 16.00 amu)

To make sure you are doing this one correct, determine all of the following:

mols = Blank 1 mols

L = Blank 2 L

M = Blank 3 M

Homework Answers

Answer #1

1)

Molar mass of C6H12O6 = 6*MM(C) + 12*MM(H) + 6*MM(O)

= 6*12.01 + 12*1.008 + 6*16.0

= 180.156 g/mol

mass of C6H12O6 = 36.0 g

we have below equation to be used:

number of mol of C6H12O6,

n = mass of C6H12O6/molar mass of C6H12O6

=(36.0 g)/(180.156 g/mol)

= 0.1998 mol

Answer: 0.1998 mol

2)

volume , V = 50.0 mL

= 5.00*10^-2 L

Answer: 5.00*10^-2 L

3)

we have below equation to be used:

Molarity,

M = number of mol / volume in L

= 0.1998/5*10^-2

= 3.997 M

Answer: 3.997 M

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