Cu (s) + 4 HNO3 (aq) à Cu(NO3)2 (aq) + 2 NO2 (g) + 2 H2O (l) If 18.6 g of Cu(NO3)2 are obtained from the reaction, what is the percent yield of the reaction? answers

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.