18. What volume of a 0.687 M solution of CaCl2 contains 1.28 g of solute? (A) 59.6 mL (B) 16.8 mL (C) 1.86 mL (D) 7.92 mL (E) 83.2 mL

18. What volume of a 0.687 M solution of CaCl₂ contains 1.28 g of solute?
(A) 59.6 mL
(B) 16.8 mL
(C) 1.86 mL
(D) 7.92 mL
(E) 83.2 mL

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23. A solid acid HX is mixed with water. Two possible solutions can be obtained. Which of the following is true? (A) In case I, HX is acting like a weak acid, and in case II, HX is acting like a strong acid. (B) In case I, HX is acting like a strong acid, and in case II, HX is acting like a weak acid. (C) In both cases, HX is acting like a strong acid. (D) In both cases, HX is acting like a weak acid. (E) HX is not soluble in water.

18. What volume of a 0.687 M solution of CaCl₂ contains 1.28 g of solute?
(A) 59.6 mL
(B) 16.8 mL
(C) 1.86 mL
(D) 7.92 mL
(E) 83.2 mL

詳解 (共 1 筆)

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相關試卷

18. What volume of a 0.687 M solution of CaCl2 contains 1.28 g of solute?(A) 59.6 mL(B) 16.8 mL(C) 1.86 mL(D) 7.92 mL(E) 83.2 mL

詳解 (共 1 筆)

相關試題

相關試卷

18. What volume of a 0.687 M solution of CaCl₂ contains 1.28 g of solute?
(A) 59.6 mL
(B) 16.8 mL
(C) 1.86 mL
(D) 7.92 mL
(E) 83.2 mL