A compound contains 28% nitrogen and 72% of a metal by weight. Three atoms of metal combine with two atoms of nitrogen. If the atomic weight of nitrogen is 14, the atomic weight of the metal is:
12
24
36
48
Related Questions
What is the number of atoms present in 1 mole of oxygen gas?
6.022 x 10^23
2 * 6.022 x 10^23
3 * 6.022 x 10^23
4 * 6.022 x 10^23
How many moles of water are present in 22.4 L of water vapor at Standard Temperature and Pressure (STP)?
1
0.5
2
4
The number of molecules present in 1 mL of gas or vapour at STP is:
6.02 x 10²³
2.68 x 10¹⁹
1.68 x 10²²
22.4 x 10²⁰
The apparatus in which standard solution is prepared is known as :
Measuring flask
Round bottom flask
Burette
None of these
The number of molecules present in 1 mL of gas or vapour at STP is:
Called Loschmidt’s number
Equal to
Both (1) and (2)
None of the above
The apparatus in which standard solution is prepared is known as :
Measuring flask
Round bottom flask
Burette
None of these