Calculate the number of KClO3 formula units present in 2.5 kilomoles of KClO3.
A
15.055×1023
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B
12.044×1023
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C
15.055×1026
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D
12.044×1026
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Solution
The correct option is C15.055×1026 We know, 1 mole of KClO3 formula units =6.022×1023formula units ofKClO3 Therefore, 2.5 kilomoles of KClO3 formula units =2.5×103×6.022×1023formula units ofKClO3 =15.055×1026formula units ofKClO3