Ammonium chloride is the correct name for NH4CL
1) is chemical Bonds
3) Conservation of mass
5) compound
hope i helped on the ones i could answer
1 mole of any gas under STP has volume 22.4 L
So 2.50 moles of any gas ( including oxygen)
2.50 mol *(22.4L/1 mol)=56.0 L
