Advertisements
Advertisements
प्रश्न
Calculate the relative molecular mass of Chloroform.
(use K = 39, Cl = 35.5, O = 16, C = 12, H = 1, Na = 23, N = 14, S= 32)
Advertisements
उत्तर
The relative molecular mass of Chloroform (CH3Cl) is:
[atomic mass of 1 C atom + Atomic mass of 3 H atom + atomic mass of 1 Cl]
12 + 3 x 1 + 35 .5 = 50 .5
APPEARS IN
संबंधित प्रश्न
Give balanced chemical equations for the following conversions A, B, and C:
Aluminum carbide reacts with water according to the following equation:
\[\ce{Al4C3 + 12H2O -> 4Al(OH)3 + 3CH4}\]
- What mass of aluminum hydroxide is formed from 12g of aluminum carbide?
- What volume of methane at s.t.p. is obtained from 12g of aluminum carbide?
Calculate the relative molecular mass of Ammonium sulphate.
(use K = 39, Cl = 35.5, O = 16, C = 12, H = 1, Na = 23, N = 14, S= 32)
Potassium nitrate on strong heating decomposes as under :
2KNO3 → 2KNO2 + O2
Calculate : Weight of oxygen formed when 5.05g of potassium nitrate decomposes completely.
(K = 39, 0 = 16, N = 14)
Concentrated nitric acid oxidizes phosphorous to phosphoric acid according to the following equation :
P + 5HNO3 → H3PO4 + H2O + 5NO2
What mass of nitric acid will be consumed at the same time?
Washing soda has the formula Na2CO3.10H2O.What is the mass of anhydrous sodium carbonate left when all the water of crystallization is expelled by heating 57.2 g of washing soda?
A compound 'X' consists of 4.8% of C and 95.2% of Br by mass.
Name the type of chemical reaction by which X can be prepared from ethane.
The equation for the burning of octane is:
\[\ce{2C6H18 + 25O2 -> 16CO2 + 18H2O}\]
If the relative molecular mass of carbon dioxide is 44, what is the mass of carbon dioxide produced by burning two moles of octane?
Explain the term:
Vapour density
Calculate the relative molecular mass of:
Ammonium chloroplatinate (NH4)2 PtCl6
