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You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?
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When casey looks at a cd or dvd she notices that there is a rainbow pattern that is created by the light. she became curious and shone light directly at it and a pattern was created on the wall. what is the cause of this pattern?
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The tension in rope A is Newtons, the helper weighs 100 newton, the board weighs 1500 newtons.. The...
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