Calculate the Atomic Mass of Gallium If Gallium Has Four

question 150

Multiple Choice

Calculate the atomic mass of gallium if gallium has four naturally occurring isotopes with the following masses and natural abundances:
Ga-69 68.9256 amu 60.11%
Ga-71 70.9247 amu 39.89%

• A)69.72 amu
• B)69.93 amu
• C)70.00 amu
• D)69.80 amu
• E)70.68 amu

---

Definitions:

CCA Class

Canadian term for Capital Cost Allowance Class; a classification for tax depreciation of assets for Canadian businesses.

Tax Rate

The rate at which a person or business is charged taxes by the state.

CCA Class

This refers to a categorization system used for tax purposes to group depreciable assets by their useful life, affecting how capital cost allowance is calculated.

Net Advantage

The overall benefit or profit derived from making a particular investment decision, considering all financial impacts.