Calculate the weight of a substance X which in gaseuos form occupies 10 litres at 27 degree centigrade and 700 mm pressure . The molecular weight of X is 60.
22
23
22.45
23.45
Calculate the gram molecules present in 45 grams of water. [H::1 O::16]
2
2.5
3
3.5
If gases 'A' 'B' 'C' are arranged in increasing order of thier relative molecular mass & the mass of each gas is 10 grams at STP . State which gas will contain the least number of molecules.
C
B
A
All of them are equal.
Calculate the number of moles of Sulphuric Acid in ''294'' grams of Sulphuric acid. [H::1 , S::32 , O16]
1.50
2.34
3.43
3.00
Nirogen reacts with hydrogen to form ammonia.Calculate the volume of the ammonia gas formed when nitrogen reacts with 6 litres of hydrogen. All volumes are measuredat STP.
1 litres
4 litres
6 litres
2.22 litres