There Is a 9 M Aqueous HCl Solution in the Stock

question 32

True/False

There is a 9 M aqueous HCl solution in the stock room, but a 5 M solution is required for an experiment. Doubling the volume of the 9 M sample with water will produce the 5 M solution.

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Definitions:

Method of Concomitant Variations

A scientific method where one observes the changes in one variable alongside the changes in another, determining correlation.

Sunlight

The light and energy that comes from the sun, providing warmth and facilitating photosynthesis in plants.

Method of Concomitant Variations

A research method where one observes the effects of the deliberate variation of one factor on a phenomenon to identify causation.

Necessary Condition

A necessary condition is a condition that must be present for an event or state of affairs to occur; without it, the event or state cannot exist.