You added 20 g of NaCl to 100 g of water. What is the percent by mass of the solute? (Hint: You have not been given the total mass of the solution. This must be calculated.) A. 17%
B. 20%
C. 34%
D. 83%

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.

If the area of a square has increased by a factor of 16, by how much has each side increased?