### Calculate the molecular formula of the compound

Assignment Help Chemistry
##### Reference no: EM13123922

A quantity of 7.031 g of an organic compound is dissolved in water to make 282.0 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27°C. The analysis of this compound shows that it contains 41.8 percent C, 4.7 percent H, 37.3 percent O, and 16.3 percent N. Calculate the molecular formula of the compound.

#### Questions Cloud

 What will be the new pressure : a 5.00L air sample at a temperature of -50 degrees celsius has a pressure of 107 kpa. what will be the new pressure if the temperature is raised to 102 degrees celsius and the volume expands to 7.00L. Calculate the amount of interest expense : On January 1, 2004, Digital, Inc. leased heavy machinery from Young Leasing Company. The terms of the lease require semi-annual payments of \$20,000 every six months for ten years beginning on June 30, 2004. The annual interest rate on the lease is.. Find sample to estimate true proportion of home owners : How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 5% with 98% confidence? Primary motivation for business combinations : Which of the following does not represent a primary motivation for business combinations? Calculate the molecular formula of the compound : A quantity of 7.031 g of an organic compound is dissolved in water to make 282.0 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27°C. How selection process is biased against americans of mexican : Use a 0.01 significance level to test the claim that the selection process is biased against Americans of Mexican ancestry. Does the jury selection system appear to be fair? Illustrate what is the best estimate of the stock price : Based on the corporate valuation model, Hunsader’s value of operations is \$300 million. The company has 10 million shares of stock outstanding. Illustrate what is the best estimate of the stock’s price per share? Austen''s use of irony : Austen's use of irony in her novels offers important insights to her characters about life. What would Anne Elliot in Persuasion share with Harriet in Emma and Elizabeth Bennet in Pride and Prejudice about women, class mobility, and marriage in lesso.. What consolidation worksheet entry would be made : when a company applies the partial equity method in accounting for its investment in a subsidiary and initial value, book values, and fair values of net assets acquired are all equal, what consolidation worksheet entry would be made?

### Write a Review

#### How many kgs of methane are in completely insulated piston

Determine how many kgs of methane (CH 4 ) are in completely insulated piston with the given properties: Pressure = 3 bar absolute. Volume = 2 cubic meters.

#### How much energy would you need

Suppose you wanted to heat a mug of 250. mL water from room temperature, 25°C, to 100°C to make a cup of tea. How much energy (in joules and in calories) would you need from your microwave.

#### Explain why separation occur and which solvent will on top

explain Why this separation occur and which solvent will be on top - the temperature of twenty degree Celsius. When hexane is added with H 2 O, there is a separation

#### How many feet of copper can be obtained from the ingot

A copper refinery produces a copper ingot weighing 121 lb. If the copper is drawn into wire whose diameter is 8.00 mm, how many feet of copper can be obtained from the ingot.

#### How many milliliters of sodium hydroxide is required

A solution is prepared from 0.95 grams of H3PO4 ,(Phosphoric acid) and 1.15 grams of HClO4 (perchloric acid) in 150 mili litres of solution then determine how many milliliters of 0.425 M sodium hydroxide( NaOH) is needed.

#### What volume of 2.94 m hno3 can be made

What volume of 2.94 M HNO3 can be made by diluting 128 mL of concentrated nitric acid (16.0 M HNO3)

#### How many ml of a solution of sodium hydroxide are needed

How many mL of a 0.10 m solution of NaOH are needed to completely react with 120 mL of a 0.15 m solution of H2CO3.

#### Determine the value of work

Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?

#### Find the concentrations of ions in saturated solution

What are the concentrations of each of the ions in a saturated solution of PbBr2, given the Ksp of PbBr2 is 2.1 x 10^-6?

#### What volume of .2 m na2so4 will completely react

What volume of .2 M Na2SO4 will completely react with 50 mL of .135 M Ba(NO3)2

#### Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

#### Compute the water volume

compute the water volume that is released upon its total metabolism to carbon dioxide and H 2 O, taking into account any oxidative phosphorylation that might occur.