हिंदी

Calculate the Relative Molecular Mass of Chloroform. - Chemistry

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)

योग
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

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Mole Concept And Stoichiometry - Exercise 1 [पृष्ठ ११५]

APPEARS IN

फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 5 Mole Concept And Stoichiometry
Exercise 1 | Q 9.3 | पृष्ठ ११५

संबंधित प्रश्न

Fill in the blank.
Molecular weight of a gas is twice its __________.


Empirical formula of a compound is CH2O. If its empirical formula is equal to its vapour density, calculate the molecular formula of the compound.


What weight of sulphuric acid will be required to dissolve 3g of magnesium carbonate?
[Mg = 24, C =12, 0 = 16 ]
MgCO3 + H2SO4 → MgSO4 + H2O+ CO2


Find the total percentage of oxygen in magnesium nitrate crystal Mg(NO3)2.6H2O.
[H = 1, N = 14, O = 16, Mg = 24]


A flask contains 3.2g of sulphur dioxide. Calculate the following: The number of molecules of sulphur dioxide present in the flask.


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?


4.5 moles of calcium carbonate are reacted with dilute hydrochloric acid.

  1. Write the equation for the reaction.
  2. What is the mass of 4.5 moles of calcium carbonate? (Relative molecular mass of calcium carbonate is 100).
  3. What is the volume of carbon dioxide liberated at STP?
  4. What mass of calcium chloride is formed? (Relative molecular mass of calcium chloride is 111).
  5. How many moles of HCl are used in this reaction?

Give one word or phrase for the following:

The ratio of the mass of a certain volume of gas to the mass of an equal volume of hydrogen under the same conditions of temperature and pressure.


Give two tests of the following:
Oxygen


Find the weight of 0.5 mole of O2.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×