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A system contains 100 g of oxygen

A system contains 100 g of oxygen. How many moles does it contain? How many molecules? The correct answer and explanation is: Correct Answer: Explanation: To determine the number of…

49 divided by what gives you 7

49 divided by what gives you 7 The Correct Answer and Explanation is: Answer:49 divided by 7 gives you 7.Mathematically:49÷7=749 \div 7 = 749÷7=7 Explanation To understand how 49 divided…