calculate: samples A, B, and C have masses of 80 grams, 12 grams, and 33 grams and volumes of 20 milliliters, 4 milliliters, and 11 milliliters respectively. Which of the samples have the same density?

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x

Calculate the mass of 0.750 mol of the following substance. na3po4.