# Sci.

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51. What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth?

71. You have a mixture of salt and sand that must be separated by using physical changes only. Describe what you would do to prepare dry samples of the two constituents of the mixture.

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51. What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth?

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i did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was …
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