[SEATWORK] SW3 CONCEPT OF THE MOLE Show the complete solution (include all units of measurement and the required conversion factors) to each of the following problems. Enclose the final numerical answer (round-off the final answer to the correct number of significant figures) in a box. Exercise No. 1 How many moles of K are there in 11.25gK ? Write the mathematical relationship that will serve as the basis for the conversion of mass ( g)K to moles of K. ( 3pts) Show the complete solution for Exercise No. 1 (3 pts) Exercise No. 2 What is the mass (g) of 1.241024 atoms of K ? Write the mathematical relationship that will serve as the basis for the conversion of number of atoms K to mass (g) K. (3pts) Show the complete solution for Exercise No. 2. (3 pts) Exercise No. 3 What is the mass (g) of 1.25 mole of O2 ? Write the ma basis for the Show the complete solution for Exercise No. 3. (3 pts) Exercise No. 4 How many molecules of O2 are there in 1.24kgO2 ? Write the ma basis for the molecules C Show the complete solution for Exercise No.4 (3 pts) Exercise No. 5 How many molecules of N2O are there in 34.2gN2O ? Write the missing information on the left box. Write the mathematical relationship that will serve as the basis for the conversion of mass ( g ) N2O to number molecules N2O. (3 3pts). Atomic Mass: N=14.01;O=16.00 Show the complete solution for Exercise No. 5. (3 pts) Exercise No. 6 Calculate the number of mole of Na2CO3 in 12.5g of Na2CO3 Write the missing information on the left box. Write the mathematical relationship that will serve as the basis for the conversion of mass (g) Na2CO3 to number mole Na2CO3.(3pts) Atomic Mass: Na.=22.99;C=12.01;O=16.00 Show the complete solution for Exercise No. 6. (3 pts)