# 19 Calculate the number of molecules in 360g of glucose. (Hint: The formula of glucose is C6H6)

2
by sbmmehemsudee

2015-10-29T00:47:00+05:30

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Glucose is C6H12O6
Molar mass = 12×6 + 1×12 + 16×6 = 72 + 12 + 96 = 180 gram
So number of moles of glucose in 180g = 1 mole
number of moles of glucose in 360g = 360/180 = 2 mole

number of molecules in 1 mole = 6.022×10²³ molecules
number of molecules in 2 moles = 6.022×10²³×2 = 1.204×10²⁴ molecules

So number of molecules in 360g of glucose is 1.20
4×10²⁴
2015-10-29T15:37:22+05:30

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You have written the formula of glucose wrong.
glucose = C6H12O6

mass of 1 mole glucose = 6*12+12*1+6*16 = 180 g
amount of glucose in 360g = 360/180 = 2 mole
in 2 moles, no. of molecules= 6.022*10^23*2 = 12.04*10^23 = 1.204*10^24 molecules