2) which of the following liquids was the unknown? water 0.9982 toluene 0.8669 c
ID: 817763 • Letter: 2
Question
2) which of the following liquids was the unknown?water 0.9982
toluene 0.8669
chloroform 1.4832
3) if the unknown liquid had been water, what would the volume have been?
4) what mass would a 10.00-mL sample of each of the liquids in (#2) have?
5) a stopper was found to have a mass of 5.06 g. when placed in a graduated cylinder containing 45.2 mL of water, the volume of stopper and water was found to be 49.4 mL. calculate the density of the stopper.
2) which of the following liquids was the unknown?
water 0.9982
toluene 0.8669
chloroform 1.4832
3) if the unknown liquid had been water, what would the volume have been?
4) what mass would a 10.00-mL sample of each of the liquids in (#2) have?
5) a stopper was found to have a mass of 5.06 g. when placed in a graduated cylinder containing 45.2 mL of water, the volume of stopper and water was found to be 49.4 mL. calculate the density of the stopper.
Explanation / Answer
10.0181 g / 6.75 mL = 1.4 g/cm^3
(2) chloroform
(3) 10.04 mL (10.0181 g / 0.9982 g/cm^3 = 10.04 cm^3)
(4) water = 9.982 g, toluene = 8.669 g, chloroform 14.83 g
(5) 5.06 g / (49.4 - 45.2) mL = 1.20 g/cm^3
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