What is the number of moles of KF in a 29-gram sample of the compound? What is the number of moles of KF in a 29gram sample of the compound?(1) 1.0 mol(2) 2.0 mol(3) 0.50 mol(4) 5.0 mol Answer and Explanation:To find the number of moles, you can look at the Reference Table, Table T and find the formula for moles.Number of moles = given mass/ gram-formula massTherefore let's use first fine the gram formula mass by looking at the periodic table. K has a mass of 39g/mol and F is 18.998 g/mol. Therefore mass of KF = 39+18.998 = 57.998g/molNumber of moles = 29g (mass given in the problem) / 57.998 g/mol = 0.5 moles Choice 3 is the correct choice.