Advertisements
Advertisements
Question
The density of alcohol is 600 kg m-3. Express it in g Cm-3.
Advertisements
Solution 1
Density of alcohol is = 600 kg/m-3
In g/`cm^3` = `600/1000` = 0.60 g/`cm^3`
Solution 2
- 1 kg = 1000 g
- 1 m3 = 1,000,000 cm3
Thus, 1 kg/m3 = `(1000 g)/(1000000 cm^3`
= 0.001 g/cm3
Convert 600 kg/m3:
600 kg/m3 = 600 × 0.001 g/cm3 = 0.6g/cm3
The density of alcohol is 0.6 g/cm3.
APPEARS IN
RELATED QUESTIONS
Equal volumes of the two different substances have equal masses.
Density of water is .......Kg m-3.
1 g cm-3 = ......... Kg m-3.
Match the following :
| Column A | Column B | ||
| (a) | kg `m^-3` | (i) | relative density |
| (b) | no unit | (ii) | sinks in alcohol |
| (c) | relative density | (iii) | floats on water |
| (d) | iron | (iv) | density |
| (e) | wood | (v) | density bottle |
A piece of zinc of mass 438.6 g has a volume of 86 cm3. Calculate the density of zinc.
A piece of wood of mass 150 g has a volume of 200 Cm3. Find the density of wood in C.GS. unit and S.I. unit.
Calculate the volume of wood of mass 6000 kg if the density of wood is 0.8 g Cm-3
The mass of an empty density bottle is 21.8 g when filled completely with water is 41.8 g and when filled completely with liquid it is 40.6 g. Find
- the volume of density bottle.
- the relative density of liquid.
The mass of an empty density bottle is 30 g, it is 75 g when filled completely with water and 65 g when filled completely with a liquid. Find density of liquid.
A cubical tank of side 1 m is filled with 800 kg of a liquid. Find:
(i) the volume of tank,
(ii) the density of liquid in kg m-3.
