Calculate the volume l of oxygen at stp needed

Reference no: EM13839616

A compound that does not contain oxygen is combusted to give: a) 33.75 g of water b) Carbon dioxide collected under water in a 37.5 L vessel at 20 degrees Celsius and an atmospheric pressure of 752.2 torr. c) Sulfur dioxide which is collected by dissolution in water. This aqueous solution is titrated (reacted) with a 1.85M solution of sodium hydroxide. To reach the equivalency point, 404.5 mL of NaOH solution were consumed.

Supplement:

The vapor pressure of P(H2O)= 17.5 mmHg @20.0 Degrees Celsius.

The equivalency point is when enough base was added to consume all the acid present.

1. Determine the molecular formula of the compound if the molar mas of the compound is 179 g/mol as determined by the mass spectrometry.

2. Write a balanced equation for the combustion reaction and the titration.

3. Calculate the volume (L) of oxygen at STP needed for the combustion of 120 g of this compound.

Reference no: EM13839616

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