What is the molar mass of the carbohydrate

Assignment Help Chemistry
Reference no: EM13147568

An unknown carbohydrate compound has the empirical formula CH2O. A solution consisting of 0.515 g of the carbohydrate dissolved in 1.717 g of acetic acid freezes at 8.8°C. What is the molar mass of the carbohydrate? What is its molecular formula?

Reference no: EM13147568

Questions Cloud

Checking the accuracy of a volumetric flask marked : You are checking the accuracy of a volumetric flask marked 10.00 mL. You measure the volume of water contained in the flask by measuring the mass of the empty flask
In what types of biological pathways is nad usually used in : What does the cell use NAD+ and NADP+ for? What is the difference between the two? In what types of biological pathways is NAD usually used in? NADP?
What happens in each phase of mitosis : What happens in each phase of mitosis? What happens to DNA at every step, and how many copies of the genome are present at each phase?
Find mean and the standard deviation of numbers record : A sample of 4 axles is inspected each hour for process control purposes, and records are kept of the sample mean diameter. What will be the mean and the standard deviation of the numbers record.
What is the molar mass of the carbohydrate : An unknown carbohydrate compound has the empirical formula CH2O. A solution consisting of 0.515 g of the carbohydrate dissolved in 1.717 g of acetic acid freezes at 8.8°C
Value of the minimum lease payments under a lease : If a company is determining the present value of the minimum lease payments under a lease, what interest rate should be used as the discount rate using IFRS?
Explain six measurements for the mass of water delivered : You obtain the following six measurements for the mass of water delivered by a special calibrated volumetric pipette
Define gravitational, capillary and hygroscopic water : Define gravitational, capillary and hygroscopic water and explain how they influenced by pore size distribution, texture, & bulk density
What mass of water should the chemist mix : A chemist wants to prepare a solution with a freezing point of 22.0°C and has 100.00 g of glycerol on hand. What mass of water should the chemist mix with the glycerol?

Reviews

Write a Review

Chemistry Questions & Answers

  Find out the empirical formula of the amino acid

Determine the empirical formula of the amino acid, given an amino acid which consists of the elements carbon, hydrogen, nitrogen, and oxygen.

  Define description of lipids

Description of Lipids 1) What are the ingredients of a cephalin? 2) Which fatty acid is always unsaturated in a cephalin? Why?

  Calculate the specific heat capacity of the metal

If 72.4 kJ of heat is supplied to a 842 g block of metal, the temperature of the metal increases by 9.0°C. Calculate the specific heat capacity of the metal in J/g·°C.

  What is the final temperature of the water

A copper cube measuring 1.58cm on edge and an aluminum cube measuring 1.68cm on edge are both heated to 56.4 degrees C and submerged in 100.0mL of water at 21.6 degrees C. What is the final temperature of the water when equilibrium is reached? (As..

  What will happen if the volume of the container is reduced

A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?

  Calculate the molarity of the hcl solution

A sample of 0.0020 mole of HCl is dissolved in water to make a 1500. mL solution. Calculate the molarity of the HCl solution, the [H3O+], and the pH. For a strong acid such as HCI,.

  How many grams of acetylene are produced

Acetylene gas (C2H2) is produced by adding water to Calcium carbide CaC2. How many grams of acetylene are produced by adding water to 5g CaC2?

  How many moles of cac2 are needed to react completely

CaC2 + 2H2O --> C2H2 + Ca(OH)2. Using this equation, determine how many moles of CaC2 are needed to react completely with 49 g H2O.

  Calculate the density of a block

Calculate the density of a block.

  Calculate the final pressure of the sample

At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.

  How many moles of sodium sulphate are required

Sodium sulfate dissolves as follows: Na2SO4(s) 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M.

  Determine the ph of the solution

A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 200.0 mL of KOH. The Kb of NH3 is 1.8 × 10-5.

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