f the concentration of glucose (CcH20s) in blood is 0.9g/L, what will be themolarity of glucose in blood.a) 5M b) 50M c) 0.005M d) 0.5M
Question
If the concentration of glucose (C₆H₁₂O₆) in blood is 0.9g/L, what will be the molarity of glucose in blood?
a) 5M
b) 50M
c) 0.005M
d) 0.5M
Solution
To solve this problem, we need to follow these steps:
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First, we need to find the molar mass of glucose (C6H12O6). The molar mass of carbon (C) is approximately 12 g/mol, hydrogen (H) is approximately 1 g/mol, and oxygen (O) is approximately 16 g/mol. Therefore, the molar mass of glucose is (612) + (121) + (6*16) = 180 g/mol.
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Next, we need to convert the concentration of glucose from g/L to mol/L to find the molarity. The concentration given is 0.9 g/L. So, the molarity (M) is 0.9 g/L divided by 180 g/mol which equals 0.005 mol/L.
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Therefore, the molarity of glucose in blood is 0.005M. So, the correct answer is c) 0.005M.
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