Solute, Solution question.

[joonkimdds]

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Ok...here is another dumb question that I don't know(or I forgot since it was 1 year ago and I didn't even pay attention at that moment either).

there are two questions, read first plz

"Calculate the molarity of a solution containing 21.1 g potassium iodide(226.0g/mol) in 500.0ml solution"

and

"Calculate the grams of solute required to make 475ml of 0.5M solution of potassium sulfate"

I know how to find the answer, but that's not what I am asking.
why doesn't the second question ask grams of solution that has 475ml of 0.5M solution instead of saying grams of solute required to.... ?

I think both of the question have exactly the same way to find the answer.
Solution means solute + solvent. so if the second question says solute, does that mean either potassium or sulfate? so it's like find the grams of potassium or sulfate instead of postassium sulfate?

 

[Flipper405]

Ok...here is another dumb question that I don't know(or I forgot since it was 1 year ago and I didn't even pay attention at that moment either).

there are two questions, read first plz

"Calculate the molarity of a solution containing 21.1 g potassium iodide(226.0g/mol) in 500.0ml solution"

and

"Calculate the grams of solute required to make 475ml of 0.5M solution of potassium sulfate"

I know how to find the answer, but that's not what I am asking.
why doesn't the second question ask grams of solution that has 475ml of 0.5M solution instead of saying grams of solute required to.... ?

I think both of the question have exactly the same way to find the answer.
Solution means solute + solvent. so if the second question says solute, does that mean either potassium or sulfate? so it's like find the grams of potassium or sulfate instead of postassium sulfate?

I think you usually assume that the solvent is water. Not really sure about that. However, I'm pretty sure that solute in this case would mean the compound potassium sulfate.

I don't really understand your first question.

 

[legaia]

1) = .187 M
2) = 53.67 g

Use the equation Molarity = mole/L

Plug and chug.

 

[joonkimdds]

I think you usually assume that the solvent is water. Not really sure about that. However, I'm pretty sure that solute in this case would mean the compound potassium sulfate.

u said solute is potassium sulfate. Isnt' compount usually called solution?

So...if potassium sulfate is solute, then what's solution?

is potassium sulfate called both solute and solution?

 

[GCT]

Ok...here is another dumb question that I don't know(or I forgot since it was 1 year ago and I didn't even pay attention at that moment either).

there are two questions, read first plz

"Calculate the molarity of a solution containing 21.1 g potassium iodide(226.0g/mol) in 500.0ml solution"

and

"Calculate the grams of solute required to make 475ml of 0.5M solution of potassium sulfate"

I know how to find the answer, but that's not what I am asking.
why doesn't the second question ask grams of solution that has 475ml of 0.5M solution instead of saying grams of solute required to.... ?

I think both of the question have exactly the same way to find the answer.
Solution means solute + solvent. so if the second question says solute, does that mean either potassium or sulfate? so it's like find the grams of potassium or sulfate instead of postassium sulfate?

In general the "solute" is in reference to the solid, it's really insignificant....the term by itself is insufficient, they'll give you the appropriate details.

molarity=moles of solute/L of solvent

 

[chordata]

1) = .187 M
2) = 53.67 g

Use the equation Molarity = mole/L

Plug and chug.

Shouldn't number 2 be 41.8g?
(The compound is K2SO4 not KI...if you used KI the answer would be 53.67g)

 

[joonkimdds]

Shouldn't number 2 be 41.8g?
(The compound is K2SO4 not KI...if you used KI the answer would be 53.67g)

I get 41.38g 🙂