A Pure Sample of Tritium, ³H, Was Prepared and Sealed

question 59

Multiple Choice

A pure sample of tritium, ³H, was prepared and sealed in a container for a number of years. Tritium undergoes  decay with a half-life of 12.32 years. How long has the container been sealed if analysis of the contents shows there are 5.25 mol of ³H and 6.35 mol of ³He present?

• A) 2.34 y
• B) 3.38 y
• C) 9.77 y
• D) 14.1 y
• E) 25.6 y

Understand the diversity and identities within Indigenous communities, including Métis, Inuit, and First Nations.

Analyze historical and contemporary issues faced by Indigenous peoples due to colonization and government policies.

Recognize the significance of pivotal moments and movements in Indigenous rights and affairs.

Comprehend the impact of residential schools on Indigenous peoples and the steps towards reconciliation.