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Give the number of significant figures in this number: 7.8 x 10¹²
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Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?
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What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
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Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o
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What is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?
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Give the number of significant figures in this number: 7.8 x 10¹²...
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