A student is determining the density of an unknown metal with a mass of 32.56 g. The student partially fills a graduated cylinder with water and measures the volume of the water by itself as 14.78 mL. The student then adds the metal to the water and measures the new volume as 20.44 mL. What is the identity of the metal? A) Aluminum, d = 2.70 g/mL B) Magnesium, d = 1.74 g/mL C) Tin, d = 5.75 g/mL D) Lead, d = 11.3 g/mL

A student is determining the density of an unknown metal with a mass of 32.56 g. The student partially fills a graduated cylinder with water and measures the volume of the water by itself as 14.78 mL. The student then adds the metal to the water and measures the new volume as 20.44 mL. What is the identity of the metal? A) Aluminum, d = 2.70 g/mL B) Magnesium, d = 1.74 g/mL C) Tin, d = 5.75 g/mL D) Lead, d = 11.3 g/mL

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter1: The Nature Of Chemistry

Section: Chapter Questions

Problem 120QRT

See similar textbooks

Similar questions

At a certain temperature, 0.878 g of a pure liquid substance occupies 1.00 mL. What is the volume of 33 grams of liquid?
What isthe density (g/mL) of an object that has a mass of 14.01 grams and, when placed into a graduated cylinder, causesthe water level to rise from 25.2 mL to 33.6 mL?
1.) if a 2.50 g block of metal with a density of 6.72 g per cm^3 is dropped into a graduated cylinder containing 32.45mL of water , what will the final volume of the metal and water together?
A homogeneous mixture was prepared by mixing 0.15 g A, 112.3 g B and the 24.55 g C. The volume is found to be 85.80 cm3. What is the density of the mixture to correct number of significant figures?
8. On his birthday, Emilio received a gold nugget as a present from a friend and was curious to determine whether the present actually was genuine gold. He used a balance to weigh the metal and found a mass of 17.24 g. To measure the volume, he used a graduated cylinder, which he first filled to 12.3 mL with water. When he submerged the metal in the water, the volume reading increased to 13.4 mL. Using this information, determine if his present is real gold. The density of pure gold is 19.3 g/mL.
a 0.732kg sample of gold is added to 100.0mL of water. the density of gold is 19.32g/mL. what is the final volume of water?
A chemist must prepare 550.mL of 60.0mM aqueous potassium dichromate K2Cr2O7 working solution. He'll do this by pouring out some 0.403molL aqueous potassium dichromate stock solution into a graduated cylinder and diluting it with distilled water. Calculate volume in mL of potassium dichromate stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits.
Gold is alloyed (mixed) with other metals to increase itshardness in making jewelry. (a) Consider a piece of gold jewelrythat weighs 9.85 g and has a volume of 0.675 cm3. Thejewelry contains only gold and silver, which have densitiesof 19.3 and 10.5 g>cm3, respectively. If the total volume ofthe jewelry is the sum of the volumes of the gold and silverthat it contains, calculate the percentage of gold (by mass)in the jewelry
In the movie The Italian Job, thieves steal gold bullion. One plan is to carry the ingots of gold off in suitcases. If each suitcase were about 19 inches X 14 inches X 10 inches the volume would be 4.36x104cm3. Approximately, how much would each suitcase weigh, in pounds, when filled with gold? The density of gold is 19.3 g/cm3and 1 pound = 453.59g . Assume the weight of the suitcase is negligible.
A thief plans to steal a gold sphere with a radius of 28.9 cmfrom a museum. If the gold has a density of 19.3 g>cm3, whatis the mass of the sphere in pounds? [The volume of a sphereis V = 14>32pr3.4 Is the thief likely to be able to walk off withthe gold sphere unassisted?
1. A 25 mL flask is known to hold a total volume of 27.64 mL when completely filled. The empty flask has a mass of 45.897 grams. The student was to determine the density of an irregularly shaped solid. He added the solid to the flask and determined that the mass of the flask and the solid was 156.11 grams. He then filled the remaining volume of the flask with water and determined that the mass of the flask, water and solid was 171.89 grams. The density of the water was 0.9970 g/mL. Using this information answer the following questions: a) What was the mass of the solid? b) What was the mass of the water? c) What was the volume of water? d) What was the volume of the solid? e) What was the density of the solid?
Gold can be hammered into extremely thin sheets calledgold leaf. An architect wants to cover a 100 ft x 82 ft ceilingwith gold leaf that is five-millionths of an inch thick. Thedensity of gold is 19.32 g/cm3, and gold costs $1654 per troyounce (1 troy ounce = 31.1034768 g). How much will itcost the architect to buy the necessary gold?