r brand of gasoline has a density of 0.737 g/mL at 25 C. How many grams of this
ID: 481924 • Letter: R
Question
r brand of gasoline has a density of 0.737 g/mL at 25 C. How many grams of this gasoline would fill a 15.8 gal tank (1US gal=3.78L)? Express your answer to three significant figures and include the appropriate units. SubmitHintsMy AnswersGive UpReview Part Part B A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.1 cm . Its mass is 1.5 kg . Calculate the density of the metal. Express your answer to two significant figures and include the appropriate units. SubmitHintsMy AnswersGive UpReview Part
Explanation / Answer
A) (15.8 gal) x (3.78 L/gal) x (1000 mL/L) x (0.737 g/mL) = 44016.588 g
B)
Volume of metal = volume of block = length x width x height
= 17.1 x 3.2 x 4.1 = 224.352 cm3
Mass of metal = 1.5 kg = 1500 g
Density of metal = mass/volume
= 1500/224.352
= 6.69 g/cm3
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