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InterviewSolution
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A black dot used as a full stop at the end of a sentence has a mass of about one attogram. Assuming that dot is made up of carbon, calculate the approximate number of carbon atoms present in the dot? |
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Answer» Solution :Mass of CARBON in DOT = 1 ATTOGRAM` =10^(-18)g` Gram atomic mass of carbon = 12 g, i.e., 12 g of carbon contain `6.022xx10^(23)` atoms of carbon `THEREFORE 10^(-18)" g of carbon will contain carbon atoms"=(6.022xx10^(23))/(12)xx10^(-18)=5.02xx10^(4)" atoms"` |
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