How many moles of titanium are contained in 71.4g

The molar mass of the substance represents the mass of the substance in one mole. You can see the molar masses of the substance in interest in the periodic table of elements. It is mostly seen at the right bottom side of the element name. In here, you have 71.4 g of titanium. You should know by now that titanium has a molar mass of 47.9 grams per mole. To get the number of moles of titanium, divide 71.4 grams by 47.9 grams per mole. The answer is 1.49 moles of titanium. 

Particle exchange energy though elastic collision , hope this .