Magnesium Hydroxide Can Be Made by the Reaction Shown Below

question 50

Multiple Choice

Magnesium hydroxide can be made by the reaction shown below. If a chemist requires 0.725 moles of NaOH for this reaction,what volume of a 1.50 M NaOH solution is needed to provide this amount? MgCl₂(aq) + 2 NaOH(aq) → Mg(OH) ₂(s) + 2 NaCl(aq)

• A)0.483 L of a 1.50 M NaOH solution
• B)0.967 L of a 1.50 M NaOH solution
• C)1.09 L of a 1.50 M NaOH solution
• D)967 mL of a 1.50 M NaOH solution

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Definitions:

Primary Reinforcer

An innately valuable stimulus, such as food or drink, that satisfies a biological need and reinforces behaviors without prior learning.

Aversive Stimulus

An unpleasant or noxious stimulus used to elicit a response or to condition a behavior through negative reinforcement or punishment.

Secondary Reinforcer

An acquired reinforcing stimulus, which becomes effective through its link with a primary reinforcer.

Positive Reinforcer

A prompting element, which upon being offered subsequent to an action, elevates the chances of the repetition of that action.