मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

What is the ratio of molecules in 1 mole of NH3 and 1 mole of HNO3?

Advertisements
Advertisements

प्रश्न

What is the ratio of molecules in 1 mole of NH3 and 1 mole of HNO3?

बेरीज
Advertisements

उत्तर

One mole of any substance contains particles equal to 6.022 × 1023.
1 mole of NH3 = 6.022 × 1023 molecules of NH3
1 mole of HNO3 = 6.022 × 1023 molecules of HNO3
∴ Ratio = `(6.022xx10^23)/(6.022xx10^23)` = 1:1
The ratio of molecules is = 1:1

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Some Basic Concepts of Chemistry - Exercises [पृष्ठ ११]

APPEARS IN

बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 1 Some Basic Concepts of Chemistry
Exercises | Q 4. (A) | पृष्ठ ११

संबंधित प्रश्‍न

Calculate the molecular mass of the following in u.

NH3


Solve problem:

The mass of an atom of hydrogen is 1.008 u. What is the mass of 18 atoms of hydrogen?


Solve problem:

Calculate the number of an atom of the following (Given: Atomic mass of I = 127 u).

254 u of iodine (I)


Solve problem:

Calculate the number of an atom of the following (Given: Atomic mass of I = 127 u).

254 g of iodine (I)


Solve problem:

Arjun purchased 250 g of glucose (C6H12O6) for Rs 40. Find the cost of glucose per mole.


24 g of carbon reacts with some oxygen to make 88 grams of carbon dioxide. Find out how much oxygen must have been used.


Solve problem:

Calculate the number of atoms of the following. (Average atomic mass : N = 14 u, S = 32 u)

0.4 mole of nitrogen


Calculate the number of atoms of hydrogen present in 5.6 g of urea, \[\ce{(NH2)2CO}\]. Also calculate the number of atoms of N, C, and O.


Explain the need of the term average atomic mass.


An element X has the following isotopic composition 200X = 90%, 199X = 8% and 202X = 2%. The weighted average atomic mass of the element X is closest to


Which one of the following represents 180 g of water?


What is the mass of precipitate formed when 50 ml of 8.5% solution of AgNO3 is mixed with 100 ml of 1.865% potassium chloride solution?


Which of the following is/are true with respect to carbon-12.


Which one of the following is used as a standard for atomic mass.


Calculate the average atomic mass of naturally occurring magnesium using the following data.

Isotope Isotopic atomic mass Abundance (%)
Mg24 23.99 78.99
Mg25 24.99 10.00
Mg26 25.98 11.01

The reaction between aluminium and ferric oxide can generate temperatures up to 3273 K and is used in welding metals.
(Atomic mass of Al = 27 u Atomic mass of O = 16 u)
\[\ce{2Al + Fe2O3 -> Al2O3 + 2Fe}\]; If, in this process, 324 g of aluminium is allowed to react with 1.12 kg of ferric oxide.

  1. Calculate the mass of Al2O3 formed.
  2. How much of the excess reagent is left at the end of the reaction?

How many moles of ammonia are present in 5.6 cm3 of ammonia gas at STP?


One amu is equal to ________.


Calculate mass of 3.01 × 1024 atoms of an element having atomic mass 21.13.


A 100 g of sample of haemoglobin on analysis was found to contain 0.34% Fe by mass. If each haemoglobin molecule has four Fe2+ ions, the molecular mass of haemoglobin is: (Fe = 56 amu)


It is found that in 11.2 L at 0°C and 1 atm, of any gaseous compound of 'X', there is never less than 15.5 gm of 'X'. It is also found that 11.2 L of vapours of 'X' at 0°C and 1 atm, weighs 62 gm. The atomicity of 'X' is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×