Compute the empirical formula and molar formula

Assignment Help Chemistry
Reference no: EM13163330

A compound contains 76.56% C, and 6.43% H. The molar mass of the compound is 282.0 g/mol. Calculate the empirical formula and the molar formula.

Reference no: EM13163330

Questions Cloud

Will the new pressure need to be larger or smaller : The original conditions on a container filled with gas at a constant temperature are 180 cc and 300 mm Hg. The desired new volume is 90 cc.
Reads contents of two vectors : Write a program that reads contents of two vectors, and then displays the sum of these two vectors. The program should prompt the user to enter the size of the vectors first.
Create three classes for a customer : a travel manager and have a job of buying a travel package for a customer. You must create three classes for this programming challenge: Customer, Ticket, and TravelManagerDemo.
Preparation and presentation of financial statements : With reference to the Framework for the Preparation and Presentation of Financial Statements (Conceptual Framework) justify whether Emoney satisfies the definition and recognition criteria of an asset.
Compute the empirical formula and molar formula : Calculate the empirical formula and the molar formula.
What is the benefit to acme manufacturing : What is the benefit to Acme Manufacturing of applying activity-based costing to its R&D activity for both in-house and outside charging purposes?
Explain gallium consists of two isotopes of masses : Gallium consists of two isotopes of masses 68.95 amu and 70.95 amu with abundances of 60.16% and 39.84%.
State reaction that occurs with a small increase in enthalpy : A reaction that occurs with large decrease in enthalpy and small decrease in entropy. D. A reaction that occurs with any size increase in enthalpy and any size decrease in entropy.
Write a program that allows users to enter a dollar amount : Write a program that allows users to enter a dollar amount for their bank account balance at the beginning of the month. Then ask the user to enter a dollar amount for any number of checks written in a month, up to 50. Include an approriate sentinel ..

Reviews

Write a Review

Chemistry Questions & Answers

  State a phenolphthalein end point

A buret containing NaOH solution has an initial reading of 0.14ml. 25.00ml of 0.1000M HCl is titrated to a phenolphthalein end point,

  How many calories are required to heat platinum

How many calories are required to heat 25.0 g of platinum (specific heat capacity = 0.032 cal/g.K) from 24.5 oC to 75.0 oC?

  What might you conclude about the structures

What might you conclude about the structures of these 3 (X,Y,Z)compounds?

  Compute the mass of au

Compute the mass of Au(gold) that occupies 5.0 X 10^-3 cm^3. If the density of gold (Au) is given=19.3 g/cm^3.

  What was the percentage yield

When 4.03 g of CH3OH was mixed with 6.33 g of O2 and ignited, 3.92 g of CO2 was obtained. What was the percentage yield?

  How many millimoles (mmol) of the non-limiting reactant

If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.676 grams of iron and 13.1 mL of 0.448M copper(II) sulfate react to form as much product as possible,

  How many liters of nitric acid are needed

For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution.

  Calculate the final temperature of the solution

Consider the dissolution of CaCl2.  CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ΔH = -81.5 kJ A 13.2 g sample of CaCl2 is dissolved in 106 g of water, with both substances at 25.0°C.

  How long will it take oxygen gas to effuse

How long will it take 10.0 mL of oxygen gas to effuse through a porous barrier if it has been observed that 81.7 minutes are required for 10.0 mL of Cl2 gas to effuse through the same barrier?

  How many molecules of hydrogen gas are formed

Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of Hydrogen gas are formed when 48.7g of sodium are added to water?

  What is the enthalpy of solution

A 5.00 g sample of KBr at 25.0°C dissolves in 25.0 mL of water also at 25.0°C. The final equilibrium temperature of the resulting solution is 18.1°C.

  What mass of liquid will be present

If 13.0g of CCl3F is enclosed in a 1.2-L container, what mass of liquid will be present, when the vapor pressure of CCl3F at 300K is 856 torr?

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