# Energy phloe(m) II

Suppose that sap in the phloem carries sucrose at a concentration $$\rho_s$$ moles sucrose per liter of sap, at a speed of $$v_s$$ m/s, and that each mole of sucrose has an available energy content $$E_s$$. Which expression describes the flux of energy along the phloem?

Illustration by Maxicat Rhododendron

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