I need help with a chemistry problem that I keep getting the wrong answer for. here's the question: how many atoms are there in 6.9 g Si?
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Anonymous
ANSWERS: 2
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Answer is not what matters,it's your approach that matters.It's a simple mole concept problem. The atomic mass of Si=28.086 amu i.e 28.086 grams of Si would contains one mole = 6.023x10^23 atoms. Now how many atoms will be there in 6.9 grams of Si? Tell me your answer.
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1.479*10^23. I have used that approach multiple times and I keep one being told that that is incorrect, so i need to know what I doing wrong
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