Benzene, C_(6)H_(6) is a nonpolar liquid solvent .How many moles of benzene are in a 156 gram sample of benzene ? (answer rounded to the ones place) square moles

Step 1: Determine the molar mass of benzene.The molar mass of benzene (C6H6) can be calculated by adding up the molar masses of all the atoms in the molecule. The molar mass of carbon (C) is approximately 12.01 g/mol and the molar mass of hydrogen (H) is approximately 1.01 g/mol.So, the molar mass of benzene is:(6 * 12.01 g/mol) + (6 * 1.01 g/mol) = 72.06 g/mol + 6.06 g/mol = 78.12 g/molStep 2: Calculate the number of moles.The number of moles of a substance can be calculated using the formula:Number of moles = mass of the substance / molar mass of the substanceSo, the number of moles of benzene in a 156 gram sample is:Number of moles = 156 g / 78.12 g/mol = 2 moles (rounded to the ones place)Answer: There are 2 moles of benzene in a 156 gram sample.