मराठी

Calculate the Molecular Mass of the Following: Cuso4·5h2o Given Atomic Mass of Cu = 63·5, H = 1, O = 16, C=12, N = 14, Mg = 24, S = 32

Advertisements
Advertisements

प्रश्न

Calculate the molecular mass of the following:

CuSO4·5H2O

Given atomic masses of Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32

Calculate the molecular mass of the following compound:

CuSO4·5H2O

संख्यात्मक
Advertisements

उत्तर

Atomic Masses: Cu = 63.5, S = 32, O = 16, H = 1

63.5 + 32 + (4 × 16) + 5 × [(2 × 1) + 16]

= 63.5 + 32 + 64 + 90

= 249.5 u

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Mole Concept and Stoichiometry - EXERCISE [पृष्ठ १०८]

APPEARS IN

लखमीर सिंह Chemistry [English] Class 10 ICSE
पाठ 5 Mole Concept and Stoichiometry
EXERCISE | Q 3. (iv) | पृष्ठ १०८
सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 1 The Language of Chemistry
Exercise 1 (C) | Q 12.3 | पृष्ठ १९

संबंधित प्रश्‍न

Calculate the mass of 12.044 × 1025 molecules of oxygen (O2).


How many moles are there in 34.5 g of sodium ? (Atomic mass of Na = 23 u)


Calculate the molecular mass of the following:

Mg3N2

Given atomic mass of Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32


Choose the correct answer from the options given below.

In water, the hydrogen-to-oxygen mass ratio is 


Calculate the molecular mass of the following:

(NH₄)₂SO₄

[At mass : C = 12, H = 1, O = 16, Ci = 35.5, N = 14, Cu = 63.5, S = 32, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]


Calculate the molecular mass of the following:

Ammonium chloroplatinate (NH4)2 PtCl6

[At mass: C = 12, H = 1, O = 16, Cl = 35.5, N = 14, Cu = 63.5, S = 32, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]


From the equation

\[\ce{3Cu + 8HNO3 -> 3Cu(NO3)2 + 4H2O + 2NO}\]

(Atomic mass Cu = 64, H = 1, N = 14,O = 16)

Calculate the mass of copper needed to react with 63g of HNO3.


Urea [CO(NH2)2] is an important nitrogenous fertilizer. Urea is sold in 50 kg sacks. What mass of nitrogen is in one sack of urea?


What are ionic and molecular compounds? Give examples.


Calcium carbonate reacts with dilute hydrochloric acid as given below:

\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]

  1. What is the mass of 5 moles of calcium carbonate? (Relative molecular mass of calcium carbonate is 100)
  2. How many moles of HCl will react with 5 moles of calcium carbonate?
  3. What is the volume of carbon dioxide liberated at S.T.P. at the same time?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×