chemistry pre lab questions

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please help answering these questions.

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QUESTION 4 Theoretically, how much water would it take to dissolve a 150 mg sample of a compound whose solubility in water at 98°C is 3.0 g/100 ml water? o 4.5 mL • 5.0 mL o 10. mL • 2.0 mL QUESTION 5 While obtaining a melting point temperature, what is a proper rate of temperature change during melting? • 1°C/sec ° 5°C/min 1°C/min • 1°C/5 sec QUESTION 6 For a eutetic mixture of A and B, the eutetic composition would consist of which of the following? o 50 % A and 50 % B. • A eutetic mixture cannot exist with two different compounds. . That composition of A and B that, together, has the lowest melting point. • Almost all A and no B.
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4. B 5....


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