Explain the molecular formula of the unknown compound

Assignment Help Chemistry
Reference no: EM13128990

Question about Colligative Properties

An unknown organic compound is a nonelectrolyte known to be composed of C, N, O, and H. Combustion analysis showed that it contained 67.3% C, 4.62% N, and 6.93% H. A solution made by dissolving 1.20 g of the unknown compound in 25.0 g of benzene had a freezing point of 4.7 degrees Celsius. Determine:

a) the empirical formula

b) the molar mass

c) the molecular formula of the unknown compound

Reference no: EM13128990

Questions Cloud

What is the highest possible price per unit : what is the highest possible price per unit that could exist as the market price in long-run equilibrium and If that price ends up being the market price and if the normal rate of profit is 10 percent, then how big will each firm's accounting profit..
Object of vertical analysis : Which of the following financial statements is rarely the object of vertical analysis?
What percentage of students have scores more : The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200. Nancy Bright's SAT score was 1390. What percentage of students have scores more than Nancy Bright?
Prepare a post-closing trial balance : Accounts of Pioneer Heating Corporation at the end of the first year of operations showed the following balances. In addition, prepaid operating expenses are 4000, and accrued sales commissions payable are $5900. Investment revenue receivable is ..
Explain the molecular formula of the unknown compound : A solution made by dissolving 1.20 g of the unknown compound in 25.0 g of benzene had a freezing point of 4.7 degrees Celsius
What is the kb value of codeine : A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
Illustrate what is the amount of bond issue costs : During the year, Hamlet Inc. paid $22,000 to have bond certificates printed and engraved, paid $110,000 in legal fees, paid $12,000 to a CPA for registration information, and paid $190,000 to an underwriter as a commission. Illustrate what is the..
What is the percent yield of a reaction : What is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g HCl and aqueous phosphorus acid (H3PO3)?
What was jolley net income for the period : An accountant for Jolley, Inc., a merchandising enterprise, has just finished posting all year-end adjusting entries to the ledger accounts and now wishes to close the appropriate account balances in preparation for the new period.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the pressure when the can is heated

An aerosol can has a gas pressure of 133 kPa at 293 K. Calculate the pressure when the can is heated to 460 K.

  Determine the molar concentration of ch3cooh

Determine the molar concentration of CH 3 COOH present in the vinegar?

  Determine value for the rate of formation of hcl

Determine value for the rate of formation of HCl during the same interval  of 3 seconds If the rate of disappearance H2 = -0.13 M/s at this specific time?

  What is the final temperature of the block

Suppose that 1.08 g of rubbing alcohol (C3H8O) evaporates from a 75.0 g aluminum block.If the aluminum block is initially at 25 C, what is the final temperature of the block

  What is the volume occupied by helium gas

What is the volume occupied by 0.265mol of helium gas at a pressure of 1.28atm and a temperature of 307K

  How many liters of water can be made

how many Liters of water can be made from 34 grams of oxygen gas and 6 grams of hydrogen gas at STP? what is the limiting reactant for this reaction?

  Calculate the work done

Calculate the work done on a 2500. kg car in accelerating it from rest to a speed of 100. km/hr.

  Extracting gold from seawater

How many grams of Au are there in the whole ocean? With a 60% recovery possible, how many liters of seawater must be processed for gold to obtain 1 kg of that metal?

  How much energy is involved in the formation of rust

?Hf0 for the formation of rust (Fe2O3) is -826 kJ/mol. How much energy is involved in the formation of 5 grams of rust.

  What is the pressure inside a system

What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg.

  Find the molarity of a calcium hydroxide solution

Find the molarity of a Ca(OH)2 solution,given that 388 mL of it is neutralized in a titration by 117 mL of 0.0058 M HNO3.

  How many moles of air molecules

A 180 kiln is used for vitrifying ceramics. It is currently operating at 1025 , and the pressure is 1.100 . How many moles of air molecules are within the confines of the kiln.

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