How many moles contain each of the following

Assignment Help Chemistry
Reference no: EM13142511

How many moles contain each of the following?
3.75 x 10^24 molecules CO2
3.58 x 10^23 formula units ZnCl2
2.50 x 10^20 atoms Fe

Reference no: EM13142511

Questions Cloud

What are the tax consequences of the stock redemption : In the current year, Tan Corporation redeems 300 shares of Jacob’s stock for $320,000. What are the tax consequences of the stock redemption to Jacob?
What is the molar mass of the compound : If 1.56g of a gas has a volume of 1.00 L at .984 atm and 50 degrees Celcius, what is the molar mass of the compound
What are tax consequences to sheldon and hawk corporation : Hawk Corporation redeems 75 shares of Sheldon’s stock for $75,000. Sheldon had acquired all of his shares 10 years ago at a cost of $100 per share. What are the tax consequences to Sheldon and Hawk Corporation as a result of the stock redemption?
Determine cost recovery deduction of automobile : Hans purchased a new passenger automobile on August 17, 2009, for $40,000. During the year the car was used 40% for business and 60% for personal use. Determine his cost recovery deduction for the car for 2009.
How many moles contain each of the following : How many moles contain each of the following? 3.75 x 10^24 molecules CO2
Compute the arithmetic mean and median : The following table provides the weight in grams of a sample of 50 bags produced in one hour by a single machine: Compute the arithmetic mean and median.
What amount is reportable as interest income : Elsie, Elmer's wife, did not own any of the Virginiana Mutual Fund shares, but she did receive $175 in interest on a savings account at the Moss National Bank and $1,475 in interest on California Municipal Bonds. Elmer and Elsie filed a joint inco..
Total dollar amount of discount or premium amortization : Calculate the total dollar amount of discount or premium amortization during the first year (5/1/04 through 4/30/05) these bonds were outstanding. (Show computations and round to the nearest dollar.)
What is the final volume : An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the total vapor pressure

The vapor pressure of pure CH2Cl2 (with molecular weight 85 g/mol) is 133 torr at 0?C and the vapor pressure of pure CH2Br2 (with molecular weight 174 g/mol) is 11 torr at the same temperature.

  What is the empirical formula of the compound

a compound is composed of only C.H and O. the combustion of a 0.519-g sample of the compound yields 1.24g of CO2 and 0.255g of H2O.

  What mass of sucrose should be combined

What mass of sucrose should be combined with 452 g of water to make a solution with an osmotic pressure of 8.90 atm at 270 K?

  What is its empirical formula

A substance has a molar mass of 60 g/mol with 40.0 percent carbon, 6.7 percent hydrogen, and 53.3 percent oxygen. What is its empirical formula?

  How many grams of water are consumed

The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen  gas, as is done to fill weather observation balloons.

  Find the maximum mass of aluminium oxide

What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?

  What is the final volume

A 65 L sample of dry air cools from 133°C to -16°C while the pressure is maintained at 2.85 atm. What is the final volume?

  What is the density of a block of marble

What is the density of a block of marble that occupies 253 cm3 and has a mass of 752 g?

  How many liters of h2 would be formed

how many liters of H2 would be formed at 530 mm Hg and 15 degrees celcius if 20.5g of zinc was allowed to react?

  What mass of alcl3 can be formed

What mass of AlCl3 can be formed from 5.000 mol NiCl2 and 2.000 mol Al?

  What is the identity of the unknown acid

0.250 g of a binary unknown acid, HX, requires 31.96 mL of a 0.09668M NaOH solution when titrated. What is the identity of the unknown acid.

  What is partial pressure of argon and ethane in the flask

A 1L flask is filled with 1.00 g of argon at 25 C . A sample of ethane vapor is added to the same flask until the total pressure is 1.20 atm. What is partial pressure of Argon and ethane in the flask?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd