Which Combination of a 36

question 62

Multiple Choice

Which combination of a 36.0% (w/w) stock solution of acetic acid (d = 1.045 g/mL) and water will result in 1.00 kg of a 15.0% (w/w) acetic acid solution?

• A) 417 mL of 36% acetic acid in 583 mL of distilled water
• B) 417 g of 36% acetic acid in 583 g of distilled water
• C) 360 mL of 36% acetic acid in 640 mL of distilled water
• D) 360 g of 36% acetic acid in 640 g of distilled water
• E) 150 g of 36% acetic acid in 850 g of distilled water

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Definitions:

Rated Speed

Rated speed is the speed at which an electric motor or machine is designed to operate under a specific load to achieve optimum performance.

VFD Technology

Variable Frequency Drive technology, enabling control of the speed and torque of electric motors by varying the input frequency and voltage.

Phase Motors

Electric motors designed to operate on a specific number of phases of alternating current, each providing a distinct power cycle.

VFDs

Variable Frequency Drives, electronic devices that control the speed of an electric motor by varying the frequency and voltage supplied to the motor.