Answered: 1. Write the chemical formula for…

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter4: Determination Of A Chemical Formula

Section: Chapter Questions

Problem 1ASA: To find the mass of a mole of an element, one looks up the atomic mass of the element in a table of...

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1. Write the chemical formula for manganese(V) hydrogen carbonate.

2. What is the correct IUPAC name for SbCl₃?

3. Which of the following options should be classified as a molecular compound?

I. H₂S

II. Br₂

III. CaO

4. An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 120.37 amu. What is the percent abundance of ¹²²X?

5. You are working to earn enough money for a vacation which costs 1300.0 dollars. Your take-home pay is $16.50/hour, but you only work 4-hour shifts each day. How many days will it take for you to earn enough money to pay for your vacation if all the money you earn goes towards your vacation?

6. A student is determining the density of an unknown metal with a mass of 56.5 g. The student partially fills a graduated cylinder with water and measures the volume of the water by itself as 54.8 mL. The student then adds the metal to the water and measures the new volume as 87.3 mL. What is the density, in g/mL, of the metal?

7. A chemist has a block of lead metal (density is 11.3 g/mL). They drop the metal into a graduated cylinder containing water, and find the volume change is 2.70 mL. What is the mass of the block, in grams?

8. A chemist encounters an unknown metal. They drop the metal into a graduated cylinder containing water, and find the volume change is 6.1 mL. If the metal weighs 3.3 g, what is the density of the metal in g/mL?

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