a)How many grams are in 2.250 moles of N2?
b)How many grams are in 2.250 moles of NaBr?
c)How many grams are in 2.250 moles of C6H14?
Number of moles =mass / molar mass
Mass = (number of moles) ( molar mass)
A) mass of N2 = moles of N2 (molar mass of N2)
Molar mass of N2 = 28 g / mole
Mass of N2= 2.25 (28)= 63 grams
B) molar mass of NaBr 103 g/ mole
Mass of NaBr= 2.25 (103) =231.75 grams
C) molar mass of c6 H 14 =86 gram / mole
Mass of C6 H14 = 2.25 (86)= 193.5 grams
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