This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel refining): A chemical engineer has determined by measurements that there are moles of nickel in a sample of nickel tetracarbonyl. How many moles of oxygen are in the sample

38 moles of oxygen

Explanation:

This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel refining): Ni(CO)₄. A chemical engineer has determined by measurements that there are 9.6 moles of nickel in a sample of nickel tetracarbonyl. How many moles of oxygen are in the sample?

Step 1: Given data

Chemical formula of nickel tetracarbonyl: Ni(CO)₄

Moles of nickel: 9.6 moles

Step 2: Establish the molar ratio of nickel to oxygen

According to the chemical formula, the molar ratio of nickel to oxygen is 1:4.

Step 3: Calculate the moles of oxygen that accompany 9.6 moles of nickel.

We will use the previously established molar ratio.

9.6 mol Ni × (4 mol O/1 mol Ni) = 38 mol O

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