Answered Essay: Liquid heptane (C_7H_16) has a density of 0.6838 g/ml at 20 degree C. Find the true mass (

macmilan learning Liquid heptane (CHes) has a density of 0.6838 g/ml at 20°c. Find the true mass (mrun) of heptane he true mass (mrue) of heptane whien the mase weighedin ai is 12.30ssume the air densiy is 0.0012 g/mL and the balance weight density is 8.4 g/mL. Number rue

Liquid heptane (C_7H_16) has a density of 0.6838 g/ml at 20 degree C. Find the true mass (m_true) of heptane when the mass weighed in air is 12.380 g. Assume the air density is 0.0012 g/mL and the balance weight density is 8.4 g/mL. m_true =

Expert Answer

The fromula for the calculation of true mass is given by,

M = Mc * (1 + ((1/P – 1/X) * air density)

M = True mass of the substance

Mc = Conventional mass of substance

p = density of substance

x = refered weight density

M = 12.38 * (1 +((1/0.6838 – 1/8.4) * 0.0012)

M = 12.3999 g

M = 12.4 g

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