No. of gram atoms of Oxygen present in `1.48gm` of magnesium nitrate

Calculate the mass of sodium which contains the same number of atoms as are present in 10 g of magnesium.

Amount of oxygen present in one gram of haemoglobin is

Amount of oxygen present in one gram of haemoglobin is

Dopamine is a neurotransmitter, a molecule that serves to transmit message in the brain. The chemical formula of dopamine is C_(8)H_(11)O_(2)N. How many moles of oxygen atoms are present in 76.5 gm of Dopamine :-

Number of neutrons present in 1.7 grams of ammonia is-

The number of gm atoms of oxygen present in 0.2 mole of H_(2)S_(2)O_(8) is.

The number of oxygen atoms present in 50 g of calcium carbonate is

How many molecules and atoms of Oxygen are present in 5.6 litres of Oxygen (O_(2)) at NTP?

The total number of ions present in 1 ml of 0.1 M barium nitrate solution is

The total number of ions present in 1 ml of 0.1M barium nitrate solution is :-