Electrons Are Collected by Removing Them from the Atoms in a Sample

question 43

Multiple Choice

Electrons are collected by removing them from the atoms in a sample of water vapor (H₂O, molecular mass 18 u) . If every hydrogen atom has lost an electron in the process, what is the mass of the sample if a charge of magnitude 1.0 C was collected?

• A) 62 µg
• B) 370 µg
• C) 93 µg
• D) 180 µg

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Definitions:

Retain

To hold onto or keep in possession, either physically or in memory.

Research Method

A systematic plan, procedure, or strategy used to investigate, acquire, or analyze information on a subject.

Field Research

The collection of data outside a laboratory, office, or classroom setting, often in its natural context or place of occurrence.

Experiments

Systematic procedures carried out under controlled conditions to discover, test, or demonstrate a fact or principle.