Multiple ChoiceThe formula for sodium hydroxide is NaOH. A sample of NaOH weighing 18.1124 is found to be comprised of 10.41 g Na and .456 g H. Determine the grams of oxygen most likely to be found in a sample that weighs 25.360 g.472views6rank
Open QuestionWhat does the chemical formula C3H6O2 tell about a molecule of the compound it represents?294views
Open Question"Na2SO3' represents sodium sulfite. what does the 4 mean in the formula 4 Na2SO3?265views
Open QuestionA chemist decomposes several samples of carbon monoxide into carbon and oxygen and weighs the resultant elements. The results are shown in the table. Do you notice a pattern in these results? Next, the chemist decomposes several samples of hydrogen peroxide into hydrogen and oxygen. The results are shown in the table. Do you notice a similarity between these results and those for carbon monoxide? Can you formulate a law from your observations? Can you formulate a hypothesis that might explain your law?
Open QuestionTwo samples of sodium chloride are decomposed into their constituent elements. One sample produces 6.98 g of sodium and 10.7 g of chlorine, and the other sample produces 11.2 g of sodium and 17.3 g of chlorine. Are these results consistent with the law of definite proportions? Explain your answer.
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