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Potassium fluoride (KF) a salt has a molecular weight of 58.10 grams. How many grams would be needed to mix 1.0 liter of 0.10 M salt solution?
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How many moles of potassium iodide are needed to make 750 ml of a 1.8 M solution?
1.35 mole
What mass of K2CO3 is needed to prepare 200 mL of a solution having a potassium ion concentration of 0.150 M?
2.07g
Why no use indicator in the standardizing potassium permanganate titration?
Usually there is no indicator needed in potassium permanganate titrations as there will be an excess of manganate ions in the conical flask, turning the solution from colourless to pale pink.
What type of indicator is used during potassium permanganate titration?
Usually there is no indicator needed in potassium permanganate titrations as there will be an excess of manganate ions in the conical flask, turning the solution from colourless to pale pink.
What does fluoride do in the body?
Fluoride has been proven to increase the strength of bones and teeth, but there is little or no reason to believe that is needed for human life.
Potassium fluoride (KF a salt has a molecular weight of 58.10 grams. How many grams would be needed to make 1.0 liter of 5.0 molar salt solution?
290 grams
How many grams of sodium fluoride are needed to make 6.3 liters of a 3.6 molar solution?
I suppose that this solution doesn't exist.
Why do we rinse the leaf I water?
The leaf was rinsed in water to rehydrate it. Iodine solution is an aqueous solution of iodine/potassium iodine - potassium tri-iodide; water is needed inside the leaf to enable penetration by diffusion.
What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in 50 grams of water at 313K?
More than 45,5 g KNO3.
How many moles of potassium iodide are needed to make 750 ml of a 1.8 M solution?
1.35 mole
What mass of K2CO3 is needed to prepare 200 mL of a solution having a potassium ion concentration of 0.150 M?
2.07g
Why no use indicator in the standardizing potassium permanganate titration?
Usually there is no indicator needed in potassium permanganate titrations as there will be an excess of manganate ions in the conical flask, turning the solution from colourless to pale pink.
What type of indicator is used during potassium permanganate titration?
Usually there is no indicator needed in potassium permanganate titrations as there will be an excess of manganate ions in the conical flask, turning the solution from colourless to pale pink.
Why sodium fluoride needed by glucose?
Sodium fluoride can be used as a preservative for blood samples (for the glucose determination) avoiding glycolysis.
What does fluoride do in the body?
Fluoride has been proven to increase the strength of bones and teeth, but there is little or no reason to believe that is needed for human life.
What mass of potassium benzoate trihydrate is needed to prepare one liter of a 0.125 molar solution of potassium benzoate?
From the definition of molar concentration, the required amount of solute for the solution specified is 0.125 moles. The gram formula mass for potassium benzoate trihydrate is 214.26. Therefore, the mass required is 0.125 X 214.26 or about 26.8 grams, to the justified number of significant digits.
How much sodium fluoride is needed to make one bottle of toothpaste?
It can take 256 mg of Fluoride to make one bottle of toothpaste. Fluoride is added to toothpaste to disrupt the process of tooth decay.
