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What kind of mixture is sometimes difficult to distinguish form a compound? Why?
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m
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At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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What kind of mixture is sometimes difficult to distinguish form a compound? Why?...
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