Platinum Has a Molar Mass of 195 G/mol

question 57

Multiple Choice

Platinum has a molar mass of 195 g/mol.If you have a ring that contains 2.3 g of platinum, how many moles does it contain?

• A)0.012 mol
• B)85 mol
• C)450 mol
• D)7.2 x 10²¹ mol
• E)1.4 x 10²⁴ mol

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