What is the percent-by-mass concentration of NaCl in a solution that is prepared by adding 30.0 g of NaCl to 90.0 g of water

One of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description?

What metric units would you use to measure the thickness of a key

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.. .