how would I calculate 2.5 mL of 1-bromobutane to moles? (density 1.27g/cm3, molar mass 137.02g/mol)

Expert Solution

Given: Volume of 1-bromobutane = 2.5 ml

Density = 1.27 g/cm³

molar mass = 137.02 g/mol

number of moles = mass of 1-bromobutane / molar mass of 1-bromobutane

To calculate the mass of 1-bromobutane: Density = Mass/ Volume

So, Mass = Density * Volume

= 1.27 * 2.5 (g/cm³) * ml

1cm³ = 1 ml

So, mass = 1.27 * 2.5 = 3.175 g of 1-bromobutane is present in given volume

Number of moles = 3.175 g / 137.02 g/mol = 0.023 moles of 1-bromobutane are present in given volume

queen_honey_blossom answered 2 years ago

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