Question

Number of atom of oxygen present in 10.6 g Na2CO3 will be 

Solution

Correct option is

 

SIMILAR QUESTIONS

Q1

3 g of an oxide of a metal is converted to chloride completely and it yielded 5 g of chloride. The equivalent weight of the metal is 

Q2

 

What will be the volume of the mixture after the reaction?

(g)NH3 (1L) + (g) HCl (1.5L) → NH4Cl (s)

Q3

A compound has haemoglobin like structure. It has one Fe. It contain4.6% of Fe. The approximate molecular mass is

Q4

In Haber process, 30 litre of dihydrogen and 30 litres of dinitrogen were taken for reaction which yielded only 50% of the expected product. What will the composition of the gaseous mixture under the aforesaid condition in the end?

Q5

What volume of hydrogen gas at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g elemental boron (atomic mass = 10.8) from the reduction of boron trichloride by hydrogen? 

Q6

Which has maximum number of atoms? 

Q7

The maximum number of molecules is present in

Q8

4 g of copper was dissolved in concentrated nitric acid. The copper nitrate on strong heating gave 5 g of its oxide. The equivalent weight of copper is 

Q9

A sample of phosphorous trichloride (PCl3) contains 1.4 moles of the substance. How many atoms are there is the sample?   

Q10

A gas mixture contains 50% helium and 50% methane by volume. What is the percent by weight of methane in the mixture?