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02-02-2021
Chemistry

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What is the mass of 99.0 L of NO2 at STP?

Respuesta :

ardni313 ardni313

02-02-2021

Mass of NO₂= 203.32 g

Further explanation

Given

99.0 L of NO₂

Required

Mass of NO₂

Solution

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

So mol NO₂ :

= 99 : 22.4

= 4.42

Mass :

= mol x MW

= 4.42 x 46 g/mol

= 203.32 g

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