Determine the following answers to the correct number of sig figs:
a) What is the volume of 5.00 gal in mL?
b) Ketchup often contains 25% sugar by mass. How many grams of sugar are in 12.07oz of ketchup?
c) If the density of Styrofoam is 0.035 g/ml, how many liters of Styrofoam would weight 15.28 lbs?
Thank you for the opportunity to help you with your question!
(a) 1 gallon = 3.7854 litres
5 gallon = 5*3.7854 = 18.927 litres = 18927 milli-litres
(b) 1 oz = 28.3495 gms
12.07 oz = 12.07*28.3495 gms
Hence, sugar = (25/100)*12.07*28.3495 gms =85.544 gms
(c) 15.28 lbs = 15.28*453.6 gms
Hence, volume = 15.28*453.6/0.035 ml = 198028.8 ml = 198.0288 L
Thank you! :)
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