Question

A piece of metal with a mass of 10.5 g was dropped into a graduated cylinder containing 17.25 mL of water. The graduated cylinder after the addition of the metal is shown. Determine the density of the metal to the appropriate number of significant figures. [Note: The volume of water in a graduated cylinder should be read at the bottom of the meniscus (the curved surface at the top).] 

   A piece of metal with a mass of 10.5 g was dropped into a graduated cylinder containing 17.25 mL of water. The graduated cylinder after the addition of the metal is shown. Determine the density of the metal to the appropriate number of significant figures. [Note: The volume of water in a graduated cylinder should be read at the bottom of the meniscus (the curved surface at the top).]
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Chemistry. Atoms First
Chemistry. Atoms First
Julia Burdge, Jason… 5th Edition
Chapter 1, Problem 68 ↓
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A piece of metal with a mass of 10.5 g was dropped into a graduated cylinder containing 17.25 mL of water. The graduated cylinder after the addition of the metal is shown. Determine the density of the metal to the appropriate number of significant figures. [Note: The volume of water in a graduated cylinder should be read at the bottom of the meniscus (the curved surface at the top).]
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A student calibrated a 10 mL graduated cylinder at the 10.00 mL mark and determined that it contained 9.843 mL. The empty graduated cylinder weighs 13.437 g. A piece of metal weighs 28.83 g. The student places the metal in the calibrated cylinder, fills it to the 10.00 mL mark with 20.5°C DI water. The graduated cylinder, metal, and DI water weigh 49.564 g. Determine the density of the metal in g/mL. Report your answer with two decimal places.
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Transcript

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00:01 Problem with the diagram and i've tried to, or an image here, i tried to write that image.
00:07 So we are told that we have a piece of metal with a mass of 13 .2 grams.
00:12 Our initial volume in our graduated cylinder is 17 .00 milliliters.
00:17 And then this is shown, this is our final volume.
00:23 We are asked to find density.
00:31 Okay, so we know density equals mass divided by volume.
00:34 So in this problem, our density will equal our mass, 13 .2 grams.
00:41 And we're going to subtract from that, i don't know why i have grams there, 18 .44 millimeters, which i've read my volume to be here, minus 17 .00 milliliters...
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