What is the molar mass of the solute

Assignment Help Chemistry
Reference no: EM13169089

a solution is prepared by dissolving 4.21 g of a non electrolyte in 50 g of water. if the boiling point increases by .203 degree celsius, what is the molar mass of the solute? the boiling point elevation constant for water is .502 degree celsius per mol.

Reference no: EM13169089

Questions Cloud

How many square meters of floor space are there in a room : how many square meters of floor space are there in a room which has 225.0 square yard of floor space 1 m=39.37 in, 1 yard =36 in.
Determine the molarity of a solution prepared : determine the molarity of a solution prepared by dissolving 45.0g of CH3OH in sufficient water to make 725mL.
How many grams of excess remain after the limiting reactant : 1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant? How many grams of excess remain after the limiting reactant is completely consumed?
Calculate the number of collisions a single gas particle : at 30 km above the earths surface (roughly in the middle of the statosphere) the pressure is roughly 0.013 atm and the gas density is 3.74 x 10^23 molecules/m^3 assuming N2 is represetative of the stratosphere using the collisional diameter inform..
What is the molar mass of the solute : a solution is prepared by dissolving 4.21 g of a non electrolyte in 50 g of water. if the boiling point increases by .203 degree celsius, what is the molar mass of the solute? the boiling point elevation constant for water is .502 degree celsius p..
How could you prove that the three compounds are different : 1.What is the effect of the following on the observed melting point of the compound: a) insoluble purity, such as charcoal; b) incomplete drying of the sample; c) less recrystallization solvent was used than it was needed?
Write the formulas of all possible dibromination products : Draw the molecule by placing atoms on the grid and connecting them with bonds. If there is more than one answer, draw all o
What is the molar mass of the protein : A 15.0 mg sample of a protein is dissolved in water to make 27.0 ml of solution. The osmotic pressure of the solution is 0.56 torr at 25 C. What is the molar mass of the protein?
What is the activation energy for a reaction : What is the activation energy for a reaction whose rate is tripled by a temperature increase from 22.5°C to 58.0°C?

Reviews

Write a Review

Chemistry Questions & Answers

  What volume will the sulfur dioxide

At 27°C, a sample of sulfur dioxide (SO2) has a volume of 30.0 mL.

  What is the density of a sample of ammonia gas

what is the density of a sample of ammonia gas, NH3, if the pressure is .928 atm and the temperature is 63.0 C?

  How many total stereoisomers are possible

How many total stereoisomers are possible for 4-chloro-3-hexanol? Given that opening of the epoxide ring in this reaction is stereoselective, provide the names of the only two isomeric products formed using IUPAC guidelines.

  Find the specific heat of gold

when a 50.0-g nugget of pure gold is heated from 35.0 C to 50.o C, it absorbed 5200.0J of energy. find the specific heat of gold.

  How much work has been done if the cylinder

A piston has an external pressure of 11.0 atm . How much work has been done if the cylinder goes from a volume of 0.150 liters to 0.620 liters.

  What is the percent yield of ch3oh

If 84 g of CO reacts to produce 63 g of CH3OH, What is the percent yield of CH3OH?Answer in units of % ?

  Give example of reducing agent mechanism

Example of reducing agent mechanism, Using Curved arrows to symbolize the flow of electrons, write the mechanism for the steps involved in the conversion of 9-fluorenone

  Semi-empirical expression for a dilute real solution

Semi-Empirical Expression for a Dilute Real Solution, Starting with the definition of osmotic pressure

  Calculate work done (in kj)

Calculate w (in kJ) when 137 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 345 K:

  What is the mass of the steel bar

110 mL of H_2O is initially at room temperature (22.0 degrees C). A chilled steel rod at 2.0 degrees C is placed in the water. If the final temperature of the system is 21.0 degrees C.

  State calcium in a mineral was analyzed

Calcium in a mineral was analyzed five times by each of two methods. Are the mean values significantly different at the 95% confidence level? Method1: 0.0271 0.0282 0.0279 0.0271 0.0275 Method2: 0.0271 0.0268 0.0263 0.0274 0.0269 Chemistry

  State aminotransferases are enzymes that catalyze

Aminotransferases are enzymes that catalyze the interconversion of amino acids and ?-keto acids. In this way, they can provide the carbon needed for gluconeogenesis from amino acids supplied by dietary protein

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