danielahernandz0620 danielahernandz0620

30-12-2016
Chemistry

contestada

How many moles of glucose (C6H12O6) are in 1.5 liters of a 4.5 M C6H12O6 solution?

4.5 moles
6.0 moles
6.8 moles
3.0 moles

Respuesta :

arthurpdc arthurpdc

31-12-2016

If M is the molar concentration of [tex]C_6H_{12}O_6[/tex], n is the number of moles and V is the volume of the solution:

[tex]M=\dfrac{n}{V}\Longrightarrow 4.5=\dfrac{n}{1.5}\iff n=4.5\times1.5\iff \boxed{n=6.75~moles}\\\\6.75\approx6.8\Longrightarrow Answer~C[/tex]

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