Solid lithium hydroxide (lioh) is used in space vehicles to remove exhaled carbon dioxide (co2). the lithium hydroxide reacts with carbon dioxide to form solid lithium carbonate (li co; ) and liquid water. the balanced chemical equation is given by 2 lioh(s) + co2(g)→ li2co3(s) + h2o(l)
a. if only 1.00 mole of lioh is available to react with co2, how many moles of liquid water are produced? assume that co2 is not limiting.
b. if 3.00 moles of li cos are produced, how many grams of lioh were consumed?
c. how many grams of co2 can be absorbed by 12.50 g of lioh?

a) 0.5 mol H₂O b) 143.64 g LiOH c) 11.49 g CO₂

Explanation:

Considering the general chemical reaction, we also have the molecular mass for each component:

M LiOH = 23.94 g/mol

M CO₂ = 44 g/mol

M Li₂CO₃ = 73.88 g/mol

M H₂O = 18 g/mol

Then we should consider the stechiometry of the above chemical reaction in order to answer each item:

a) If we have 1 mol of LiOH, then:

2 moles LiOH = 1 mol H₂O

1 mol LiOH = 0.5 mol H₂O are produced

b) If we obtain 3 moles of Li₂CO₃, then:

1 mol Li₂CO₃ = 2 moles LiOH

3 moles Li₂CO₃ = 6 moles LiOH, and considering the molecular mass:

6x23.94 = 143. 64 g LiOH were consumed

c) If we have 12.50 g of LiOH, then:

47.88 g LiOH absorbes 44 g CO₂

12.50 g LiOH will abosrb 11.49 g CO₂

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.