Titanium metal is obtained from the mineral rutile, TiO2. The process requires m

Question

Titanium metal is obtained from the mineral rutile, TiO2. The process requires multiple steps, as shown in the following reactions: TiO2(s)+2Cl2(g)+2C(s)TiCl4(s)+2CO(g) TiCl4(s)+2Mg(s)Ti(s)+2MgCl2(s)

(a) Write mole ratio to show the relationship between the reactants and products which contain Ti for the first reaction.

(b) Write mole ratio to show the relationship between the reactants and products which contain Ti for the second reaction.

(c) How many moles of TiO2 are needed to form one mole of titanium?

(d) How many kilograms of rutile are needed to produce 46.0 kg of Ti?

Explanation / Answer

(a)

1 mol of TiO2 forms 1 mol of TiCl4

(b)

1 mol of TiCl4 forms 1 mol of Ti

(c)

From the two reactions, is is concluded that,

1 mol of Ti can be formed from 1 mol of TiO2

(d)

From the balanced equation,

48 g. of Ti can be formed from 80 g. of TiO2

then,

46.0 * 103 g. of Ti can be fromed from 46.0 * 103 * 80 / 48 = 76.7 * 103 g. = 76.7 kg. of TiO2

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