The density of air is gram litre^-1 . Express it in : (a) g cm^-3

(b) kg m^-3

Open in App

Solution

1 ltr = 1000ml = 1000cm-3, so the first answer is simple 1.28/1000 g cm-3 i.e. 1.28x10-3 g cm-3
for the second part, 1 kg = 1000g and 1m-3 = 1000 ltr, thus both numerator and denominator increased by 1000 times cancel each other and the numerical value remains the same i.e. 1.28 kgm-3

Suggest Corrections

Similar questions

g c m^{- 3}

k g m^{- 3}

3 g c m^{- 3}

k g m^{- 3}

The density of air is 1.28 g/m. Express it in -

(I) g/cm³

2)kg/m^3

The density of a material is 0.8 gm cm^-3. Express it in kg m^-3.

The density of aluminium is 2.7 g $c m^{-} 3$ . Express it in kg $m^{-} 3$ .

Join BYJU'S Learning Program