What is the molar mass of the gas

Assignment Help Chemistry

Reference no: EM13711212

Question- An experiment shows that a 238mL gas sample has a mass of 0.429g at a pressure of 745mmHg and a temperature of 34C. What is the molar mass of the gas?

Express your answer using two significant figures.

Reference no: EM13711212

Questions Cloud

Define a liquid-luid extraction with water and ethyl acetate : In a liquid-luid extraction with water and ethyl acetate, which phase would you expect each compound below to be dissolved in

How much heat is required to vaporize water at 100c : How much heat is required to vaporize 25.0g of water at 100C. The heat of vaporization of water at 100C is 40.7 kJ/mole.

What is the percentage dissociation of hx : A 1.0 M aqueous solution of a weak acid HX has a pH of 3.00. What is the percentage dissociation of HX in the solution

How long would it take for the liquid to return temperature : Question- If there is a liquid in a sealed steel container at 250 C, how long would it take for the liquid to return to its original temperature of 20 C? The steel container is subject to ambient room temperature of 20 C.

What is the molar mass of the gas : An experiment shows that a 238mL gas sample has a mass of 0.429g at a pressure of 745mmHg and a temperature of 34C. What is the molar mass of the gas

What was the concentration of the unknown solution : Comparing an unknown solution that has been diluted 8.333-fold to a standard curve indicates that the diluted unknown solution has a concentration of 0.0340 M. What was the concentration of the unknown solution before it was diluted

What is kb for the weak base : When 0.0030mol of HCL is added to 100ml of a 0.10M solution of a weak base, R2NH, the solution has a ph of 11.10. What is Kb for the weak base

Calculate the mg of phosphate in each ml of specimen : Photometric measurement for the phosphate in a 25mL aliquot showed an absorbance of 0.428. Addition of 1mL of a solution containing 0.500mg phosphate to a second 25 mL aliquot yielded an absorbance of 0.517. Calculate the mg of phosphate in each m..

How many mg of iron would expect to extract from sample : Assuming your sample of cereal is 10.00 grams and a recommended serving of cereal is 30.00 grams, how many mg of iron would you expect to extract from your sample

User Account

All Pages