2. What mass of calcium chloride, CaCl2, is needed to prepare 500 mL of a 1.56 M solution? (Ca: 40.08, Cl: 35.45) (A) 86.6 g (B) 60.8 g (C) 111 g (D) 25.6 g (E) 70.6 g

4. Which of the following is not determined by the principal quantum number, n, of the electron in a hydrogen atom? (A) the energy of the electron (B) the minimum wavelength of the light needed to remove the electron from the atom. (C) the size of the corresponding atomic orbital(s) (D) the shape of the corresponding atomic orbital(s) (E) none of these

2. What mass of calcium chloride, CaCl2, is needed to prepare 500 mL of a 1.56 M solution? (Ca: 40.08, Cl: 35.45)
(A) 86.6 g
(B) 60.8 g
(C) 111 g
(D) 25.6 g
(E) 70.6 g

相關試題

相關試卷

2. What mass of calcium chloride, CaCl2, is needed to prepare 500 mL of a 1.56 M solution? (Ca: 40.08, Cl: 35.45)(A) 86.6 g(B) 60.8 g(C) 111 g(D) 25.6 g(E) 70.6 g

相關試題

相關試卷

2. What mass of calcium chloride, CaCl2, is needed to prepare 500 mL of a 1.56 M solution? (Ca: 40.08, Cl: 35.45)
(A) 86.6 g
(B) 60.8 g
(C) 111 g
(D) 25.6 g
(E) 70.6 g