Which equation is used to describe reaction rates

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Calculate the number of molecules present in 0.750 mol of mgo.

Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .