The concentration of glucose (molar mass 180g/mol ) in blood is 0.9g/L. What is the molarity of gluose in blood?
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Answer:
Molar mass of glucose C
6
H
12
O
6
=180 g/mol
concentration of gluocose = 0.9 g/L
mass of glucose in 1 L =0.9 g
Molarity,M=
volume in L
no. of moles
no. of moles,n=mass/molar mass
n=
180
0.9
=5×10
−3
mol
M=
1
5×10
−3
=0.005M
Explanation:
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ANSWER
Molar mass of glucose C
6
H
12
O
6
=180 g/mol
concentration of gluocose = 0.9 g/L
mass of glucose in 1 L =0.9 g
Molarity,M=
volume in L
no. of moles
no. of moles,n=mass/molar mass
n=
180
0.9
=5×10
−3
mol
M=
1
5×10
−3
=0.005M
Hence, the correct option is C
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