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Which calculation correctly determines the formula unit mass of CaCl 2 ?
Atomic mass of Ca + (atomic mass of Cl ÷ 2) = 40 + 17.75 = 57.75 u
Atomic mass of Ca + (2 × atomic mass of Cl) = 40 + 71 = 111 u
Atomic mass of Ca + atomic mass of Cl = 40 + 35.5 = 75.5 u
Atomic mass of Ca × atomic mass of Cl = 40 × 35.5 = 1420 u
Atomic mass of Ca + (2 × atomic mass of Cl) = 40 + 71 = 111 u
Practice and solve "Which calculation correctly determines the formula unit mass of CaCl 2 ?..." for Basic Science and Engineering - Previous Year Paper 2025. The correct answer is Option B: Atomic mass of Ca + (2 × atomic mass of Cl) = 40 + 71 = 111 u. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Which calculation correctly determines the formula unit mass of CaCl 2 ?..." for Basic Science and Engineering - Previous Year Paper 2025. The correct answer is Option B: Atomic mass of Ca + (2 × atomic mass of Cl) = 40 + 71 = 111 u. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.