B. Nuts and Bolts Stoichiometry and Dozens of Hardware Pieces. Consider this reaction in terms of dozens of hardware pieces: B + 3N = BN3 One dozen bolts combines with three dozen nuts to make one dozen BN3.
Use the masses from above to determine the mass of a dozen of each. Even though simple, show work! Round each to 3 significant digits.
bolt (B) mass of one dozen bolts (B) =
nut (N) mass of one dozen nuts (N) =
bolt/nut combination (BN3)
mass of one dozen combinations (BN3) =
Solve IN TERMS OF DOZENS of hardware pieces. These are solved exactly as those above, except the unit of dozen and the masses for dozens of pieces are used instead of individual pieces and the masses of single pieces.
4. What mass of bolts (B) is needed to combine with 224.4 g of nuts (N)? Hint: start with determining the number of dozens nuts of available by utilizing the mass of a dozen nuts above. The next step is to use the equation, assuming the coefficients are dozens...
5. What mass of BN3 can be made from 673.2 g nuts N?
6. What mass of nuts (N) is needed to combine with 979.2 g bolts (B)?
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