Suppose you are working for a pharmaceutical company, and your boss has tasked you with identifying the contents of a bottle containing an unknown white crystalline compound. You have narrowed down the possibilities to sodium carbonate (Na2CO3) and sodium oxalate (Na2C2O4). Sodium carbonate is relatively harmless (a common ingredient in commercial water softeners), but sodium oxalate is extremely toxic to humans; it is therefore very important that you properly identify the unknown compound. You perform an experiment, and your results show the compound is about 43% sodium by mass. Use this information to identify your compound.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Mass Percent Formula concept. You can view video lessons to learn Mass Percent Formula. Or if you need more Mass Percent Formula practice, you can also practice Mass Percent Formula practice problems.
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Our expert Chemistry tutor, Dasha took 6 minutes undefined to solve this problem. You can follow their steps in the video explanation above.