If you do my chemistry homework I will mark you solution

[Deleted member 70681]

 

[Deleted member 70681]

Please

 

[EliDKing]

whats with you. cant do it yourself?

 

[Deleted member 70681]

whats with you. cant do it yourself?

I’m retardation

 

[flatcheck213]

View attachment 3626847

​

5.
Formula CoCl₂·6H₂O
Name Cobalt(II) chloride hexahydrate
6.
Formula NiSO₄·6H₂O
Name Nickel(II) sulfate hexahydrate
7.
Potassium sulfide pentahydrate

 

[EliDKing]

I’m retardation

... same bro.... same

 

[lost222]

View attachment 3626847

Problem 5
Mass of water lost: 1.62 g−0.88 g=0.74 g1.62 g−0.88 g=0.74 g.
Moles of CoCl2CoCl2: 0.88 g129.83 g/mol≈0.00678 mol129.83 g/mol0.88 g≈0.00678 mol.
Moles of H2OH2O: 0.74 g18.015 g/mol≈0.0411 mol18.015 g/mol0.74 g≈0.0411 mol.
Mole ratio: 0.04110.00678≈60.006780.0411≈6.
Formula of hydrate: CoCl2⋅6 H2OCoCl2⋅6 H2O
Name of hydrate: Cobalt(II) chloride hexahydrate

Problem 6
Mass of water lost: 1.04 g−0.61 g=0.43 g1.04 g−0.61 g=0.43 g.
Moles of NiSO4NiSO4: 0.61 g154.76 g/mol≈0.00394 mol154.76 g/mol0.61 g≈0.00394 mol.
Moles of H2OH2O: 0.43 g18.015 g/mol≈0.0239 mol18.015 g/mol0.43 g≈0.0239 mol.
Mole ratio: 0.02390.00394≈60.003940.0239≈6.
Formula of hydrate: NiSO4⋅6 H2ONiSO4⋅6 H2O
Name of hydrate: Nickel(II) sulfate hexahydrate

Problem 7
Molar mass of K2S⋅5 H2OK2S⋅5 H2O:
K2SK2S: 2(39.10)+32.07=110.27 g/mol2(39.10)+32.07=110.27 g/mol
H2OH2O: 5(18.015)=90.075 g/mol5(18.015)=90.075 g/mol
Total molar mass: 110.27+90.075=200.345 g/mol110.27+90.075=200.345 g/mol
Percent water: 90.075200.345×100≈44.96%200.34590.075×100≈44.96%
Name of hydrate: Potassium sulfide pentahydrate
Percent of water: 44.96%44.96%

 

[flatcheck213]

Problem 5
Mass of water lost: 1.62 g−0.88 g=0.74 g1.62 g−0.88 g=0.74 g.
Moles of CoCl2CoCl2: 0.88 g129.83 g/mol≈0.00678 mol129.83 g/mol0.88 g≈0.00678 mol.
Moles of H2OH2O: 0.74 g18.015 g/mol≈0.0411 mol18.015 g/mol0.74 g≈0.0411 mol.
Mole ratio: 0.04110.00678≈60.006780.0411≈6.
Formula of hydrate: CoCl2⋅6 H2OCoCl2⋅6 H2O
Name of hydrate: Cobalt(II) chloride hexahydrate

Problem 6
Mass of water lost: 1.04 g−0.61 g=0.43 g1.04 g−0.61 g=0.43 g.
Moles of NiSO4NiSO4: 0.61 g154.76 g/mol≈0.00394 mol154.76 g/mol0.61 g≈0.00394 mol.
Moles of H2OH2O: 0.43 g18.015 g/mol≈0.0239 mol18.015 g/mol0.43 g≈0.0239 mol.
Mole ratio: 0.02390.00394≈60.003940.0239≈6.
Formula of hydrate: NiSO4⋅6 H2ONiSO4⋅6 H2O
Name of hydrate: Nickel(II) sulfate hexahydrate

Problem 7
Molar mass of K2S⋅5 H2OK2S⋅5 H2O:
K2SK2S: 2(39.10)+32.07=110.27 g/mol2(39.10)+32.07=110.27 g/mol
H2OH2O: 5(18.015)=90.075 g/mol5(18.015)=90.075 g/mol
Total molar mass: 110.27+90.075=200.345 g/mol110.27+90.075=200.345 g/mol
Percent water: 90.075200.345×100≈44.96%200.34590.075×100≈44.96%
Name of hydrate: Potassium sulfide pentahydrate
Percent of water: 44.96%44.96%

Holy gpt

 

[Deleted member 70681]

Final Answers:​

5.
Formula of hydrate = CoCl₂·6H₂O
Name of hydrate = Cobalt(II) chloride hexahydrate
6.
Formula of hydrate = NiSO₄·6H₂O
Name of hydrate = Nickel(II) sulfate hexahydrate
7.
% of water = 44.96%
Name of hydrate = Potassium sulfide pentahydrate

Can you show work Mr shilinski will get mad if I dont he will acccuse me if cheating

 

[lost222]

Holy gpt

Akshwally I calculated these in min cause my IQ is 200

 

[WellDevelopedIndian]

How many school teachers have you fucked?

 

[2marc1]

View attachment 3626847

bro this is 9th grade chemistry