What is the structural formula of pent-3-en-1-yl?
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Which of the following is a possible formula unit? (2 points) select one: a. pbo b. li2b c. al2pb3 d. clo
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What mass of ca(oh)2 is needed to make 1250ml of a .75m solution?
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2.38g of black copper (ii) oxide is completely reduced by hydrogen to give copper and water. what are the masses of copper and water formed? ?
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