luke50
luke50
27-02-2017
Chemistry
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Determine the number of moles in 549 grams of KNO3
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dibyabshukumar
dibyabshukumar
27-02-2017
KNO3=40+14+16*3=210 no. of moles=given mass/molarmass. n=m/M= no. of moles=given mass/molar mass =549/210 =2.61
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