Question 14 (1 point)A mixture of oil (0.918 g cm³) and vinegar (1.006 g cm³) has a total mass of 397.8 g and a total volume of 422.8 cm³.What is the mass percent of oil in the mixture?72.2%27.8%☐65.4%Question 15 (1 point)What is the volume of vinegar in the mixture?cm³312.9 cm146.3 cm3109.9 cm³

Answered: Question 14 (1 point) A mixture of oil…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.37PAE: 3.37 If atypical grain of sand occupies a volume of 1.3 × 10-4 cm3, what is the volume (in cm3) of 1...

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A mixture of oil (0.918 g cm–3) and vinegar (1.006 g cm–3) has a total mass of 397.8 g and a total volume of 422.8 cm3. What is the mass percent of oil in the mixture? Question 14 options: 27.8% 65.4% 72.2%
Brass is an alloy of copper (8.92 g cm–3) and zinc (7.14 g cm–3). A 208.3 g piece of brass has a volume of 25.0 cm–3. What is the mass percent of copper in the alloy? Question 13 options: 72.4% 66.9% 78.0%
Question 3 (2 points) You need 350 L of distilled water for a dialysis patient. How many gallons of water is that? 1) 66 gal O 2) 92 gal 3) 946 gal 4) 66.1 gal 5) 0.0151 gal Note that "If a student performs significantly different on this exam compared to DII 吕0 888 F5 F6 F7 F8 F2 F3 F4 %23 2$ % 2 3 6. 7 E T F G * 00
Question 12 (1 point) Saved Brass is an alloy of copper (8.92 g cm³) and zinc (7.14 g cm³). A 208.3 g piece of brass has a volume of 25.0 cm-3 What is the density of the piece of brass? O 167g4 7.67 g cm³ 8.00 g cm³ 8.33 g cm³ Question 13 (1 point) What is the mass percent of copper in the alloy? 72.4% 78.0% 66.9%
Question 4 An 18 carat white gold is made by dissolving 14.4014 g of Copper, 10.2636 g of Silver, and 60.3491 g of Palladium in 278.0926 g of Gold. What is the percent composition by volume of Gold in the metal alloy? Take note of the following values: ● • Density ● • Ag = 10.5 g/mL • Au = 19.3 g/mL ● ● Cu = 8.94 g/mL Molar Mass ● Pd = 12.0 g/mL Ag = 107.87 g/mol • Au = 196.97 g/mol • Cu = 63.55 g/mol Pd = 106.42 g/mol Round your answer to 3 decimal places. ●
Question 10 (1 point) v Saved A student poured 4.6 mL of water into a test tube. She marked the level of the water on the test tube and poured it out. Using a dropper, she filled the test tube to the marked level drop by drop. She used 66 drops of water. How many drops of water would be in 1 mL? O14.3478 drops/mL Can't tell from the information given. 50°F Type here to search
O density = (mass % NaCl) X 1.0046 mass % of NaCI = (density) X 0.0035 O density = 0.0035 X (mass % of NaCl) + 1.0046 %3D mass % of NaCI = 0.0035 X (density) + 1.0046 Question 2 Which of the following is not intensive property? density boiling point melting point volume Question 3 The density of an object is
Pls help me with the following, thanks
Brass is an alloy of copper (8.92 g cm–3) and zinc (7.14 g cm–3). A 208.3 g piece of brass has a volume of 25.0 cm–3. What is the density of the piece of brass? Question 12 options: 7.67 g cm–3 8.33 g cm–3 8.00 g cm–3
QUESTION 2 Based on the given data, what is the Amax of copper? 0.1 M Copper 300 0.157 325 0.233 350 0.465 375 0.575 400 0.622 425 0.708 450 0.864 475 0.897 500 0.876 525 0.769 550 0.687 575 0.603 600 0.499 625 0.363 650 0.327 675 0.228 700 0.184
Question 2 An 18 carat white gold is made by dissolving 10.1397 g of Copper, 11.5554 g of Silver, and 63.1694 g of Palladium in 273.3155 g of Gold. What is the percent composition by mass of Palladium in the metal alloy? Take note of the following values: • Density ● • Ag = 10.5 g/mL • Au = 19.3 g/mL • Cu = 8.94 g/mL • Pd = 12.0 g/mL Molar Mass • Ag = 107.87 g/mol Au = 196.97 g/mol • Cu = 63.55 g/mol ● • Pd = 106.42 g/mol Round your answer to 3 decimal places.
Earth's oceans have a depth of 3800. m, a total area of 3.63 x 108km2, and an average concentration of dissolved gold ions of 5.80 x 10-9 g/L. If the value of gold is $370.00/troy ounce, what is the value of gold in the Earth's oceans with 1 troy ounce = 31.1 g. Group of answer choices $2.83 x1027 $2.83 x1033 $9.21 x109 $9.52 x1013 $9.52 x106 $9.21 x1016

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