What is the molar mass (in g/mol) of ? (H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Ca = 40)

Answer and explanation

Correct answer: A. 98

  1. Step 1: List the constituent atoms in sulfuric acid (): hydrogen atoms, sulfur atom, and oxygen atoms.
  2. Step 2: Multiply each element's count by its standard atomic mass (, , ): .
  3. Step 3: Sum the contributions: .
Answer
98.

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