Question

One atom of an element weighs  Its atomic mass is

Solution

Correct option is

108.36

 

Mass of 1 atom 

Mass of  atoms

                   

                   

                   = 108.36 g

 Atomic mass of element = 108.36

SIMILAR QUESTIONS

Q1

276 g of silver carbonate on being strongly heated yields a residue weighing

Q2

 

For the reaction,

            

5 moles of X and 9 moles of Y will produce

Q3

The function of boiling the sodium extract with conc. HNO3 before testing for halogen is:

Q4

If 0.5 mole of  is mixed with 0.2 mole of  the maximum number of moles of  that can be formed is

Q5

Sodium nitroprusside when added to an alkaline solution of sulphide ions produces a colouration :

Q6

An organic compound contains 20.0% C, 6.66% H, 47.33% N and the rest was oxygen. Its molar mass is 60 . The molecular formula of the compound is

Q7

 

In the following reaction,

            

2 mol MnO2 reacts with 4 mol of HCl to form 11.2 L  at STP. Thus, per cent yield of  is 

Q8

In Kjeldahl’s method, nitrogen present is estimated as :

Q9

Two elements X (at. wt. 75) and Y (at. wt.16) combine to give a compound having 75.8% of X. the formula of compound will be

Q10

 

In the following reaction, which choice has value twice that of the equivalent mass of the oxidising agent?