A mixture contains 20cm³ of hydrogen, 35cm³ of oxygen, 15cm³ of carbon monoxide and 10cm³ of nitrogen at S.T.P. Which of the following gives the mole fraction of hydrogen in this mixture?

Similar Questions

The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is...

The atomic weight of nitrogen is? ...

The solubility in mol dm/-3 of 20g of CuSO4 dissolved in 100g of water at 180o is [Cu = 64, S = 32,...

If an element R belongs to the same group as sodium, an aqueous solution of ROH will ...

The empirical formula of a hydrocarbon containing 0.12 mole of carbon 0.3 mole of hydrogen is ...

Five metals represented by the letters V to Z are arranged in order of their reactivity as shown . V...

When a piece of charcoal enclosed in a cylinder containing air is ignited ...

Which of the following substances is mainly responsible for the depletion of the ozone layer? ...

Which compound can be used as a reducing agent in a reaction? ...

Which of the following on burning in air contributes to acid rain? ...