How many grams are present in 0.90 mol of Pd (palladium)? (Atomic mass of Pd = 106.42 g/mol)

• A. 117.13 g
• B. 106.42 g
• C. 95.78 g
• D. 0.85 g

Answer: (C)

Verified step by step guidance

1. Identify the given information: the amount of substance is 0.90 mol of Pd, and the atomic mass of Pd is 106.42 g/mol.
2. Recall the relationship between moles, molar mass, and mass: \(\\text{mass} = \\text{moles} \\times \\text{molar mass}\).
3. Substitute the known values into the formula: \(\\text{mass} = 0.90 \\text{mol} \\times 106.42 \\frac{g}{mol}\).
4. Perform the multiplication to find the mass in grams (do not calculate the final number here, just set up the expression).
5. Interpret the result as the mass of palladium corresponding to 0.90 mol, which answers the question.