What Is the Total Number of Moles (N) of Electrons $\rarr$

question 35

Multiple Choice

What is the total number of moles (n) of electrons exchanged between the oxidizing agent and the reducing agent in the reaction below to obtain vanadium metal
V₂O₅(s) + 5Ca(l) $\rarr$ 2V(l) + 5CaO(s)

• A) 1
• B) 2
• C) 5
• D) 10
• E) 0

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Definitions:

Convenience Sampling

A nonprobability method of sampling whereby elements are selected for the sample on the basis of convenience.

Nonprobabilistic Sampling

A sampling method where the elements of the population do not have a known or equal chance of being selected.

Probabilistic

Pertaining to the use of or grounded in the theory of probability and the randomness of outcomes.

Stratified

A sampling method that involves dividing a population into smaller groups, known as strata, that share similar characteristics.