Advertisements
Advertisements
प्रश्न
In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium acetate. Show that these observations are in agreement with the law of conservation of mass.
Sodium carbonate + acetic acid → sodium acetate + carbon dioxide + water
उत्तर
Mass of reactants = mass of sodium carbonate + mass of ethanoic acid
= 5.3g + 6.0g
= 11.3g ...(i)
Mass of products = mass of sodium ethanoic + mass of carbon dioxide + mass of water
= 8.2g + 2.2g + 0.9g
= 11.3g ...(ii)
It is seen from equations (i) and (ii) that,
Mass of reactants = Mass of products
This test is in accordance with the law of conservation of mass.
APPEARS IN
संबंधित प्रश्न
Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?
What do you observe when, barium chloride solution is mixed with sodium sulphate solution ?
What is mass ?
If an object is taken to the moon from the earth what will be its mass ?
Name the scientist who gave law of conservation of mass.
Which postulate of Dalton's atomic theory can explain the law of conservation of mass ?
An ionic compound will be formed by the combination of one of the following pairs of elements. This pair of elements is :
Complete the statement given below by filling in the blanks with the correct words.
Atoms contain ________ with positively charged ________.
Select the correct answer from A, B, C, D & E for the statement given below:
In Landolt’s experiment – the form in which the chemical energy stored up in the reactants __________ is released.
Complete the statement by filling the blank with the correct word given below.
The law of conservation of mass is strictly valid if mass and _________ are considered together.
