How many moles of Cs are contained in 595 kg of Cs? A) 2.23 × 10² moles Cs B) 4.48 × 10³ moles Cs C) 7.91 × 10⁴ moles Cs D) 1.26 × 10³ moles Cs E) 5.39 × 10² moles Cs

Question

Quizplus · Accepted Answer

The molar mass of Cs is 132.91 g/mol. Therefore, 595 kg of Cs is equal to 595000 g of Cs. The number of moles of Cs is then 595000 g / 132.91 g/mol = 4480.3 moles. The closest answer choice is B) 4.48 × 103 moles Cs.

How Many Moles of Cs Are Contained in 595 Kg