Centripetal acceleration is the rate of change of angular velocity. Centripetal acceleration occurs towards the center of the circular path along the radius of the circular path.

Centripetal acceleration is given by; V²/r ;

V = 125 mi/h and r = 0.320 miles

Thus; centripetal acceleration = 125²/0.320

=15625/0.320

 = 48,828.125 mi/hr²

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3 years ago

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Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of wate

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Answer: 10

Explanation:

The detailed solution is contained in the image attached. The molar mass of hydrated and anhydrous salts are obtained and the number of moles of hydrated and hydrated salts are equated. The masses of hydrated and anhydrous salts are gives in the question and are simply substituted accordingly. This can now be used to obtain the number of molecules of water of crystallization as required in the question.

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3 years ago