A sample of pentanol, C5H12O, contains 0.261 mol of the compound. What is the mass of the sample, in grams?

using formula :
moles = mass in grams of compound / molar mass of compound
hence mass in grams= moles × molar mass
and mass of compound in grams = 22.968g
A sample of pentanol, C5H12O, contains 0.261 mol of the compound. What is the mass of...
A sample of pentanol, C5H12O, has a mass of 24.8 g. What amount, in moles, does this mass represent?
The compound 1-pentanol, C5H12O, is a good fuel. It is a liquid at ordinary temperatures. When the liquid is burned, the reaction involved is 2 C5H12O(ℓ) + 15 O2(g)10 CO2(g) + 12 H2O(g) The standard enthalpy of formation of liquid 1-pentanol at 25 °C is -351.6 kJ mol-1; other relevant enthalpy of formation values in kJ mol-1 are: C5H12O(g) = -294.6 ; CO2(g) = -393.5 ; H2O(g) = -241.8 (a) Calculate the enthalpy change in the burning of 5.000 mol...
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