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What is the molar concentration of Na in a solution prepared by dissolving 100.0g of Na3PO4 in sufficient H2O to form 2.00 L of solution?
The molarity of that solution is 0.82, based on sodium phosphate's molar mass and the given volume of solution. Since there are three sodium ions for every one formula unit of sodium phosphate, the molar concentration of Na+ ions is 0.82(3)=2.46.
The enthalpy change caused by dissolving a substance?
Molar heat of solution
What is it called when the concentration of a solution defined in terms of moles of solute per liter of solution?
This is a molar concentration.
What is the concentration of a 4.0 L solution that has 2.0 mol of solute?
The concentration of the solute is 0,5 molar.
What is the pH of a solution with a hydronium ion concentration of 1x10 -11 molar?
PH11
What is the concentration of FeCl3 in a solution prepared by dissolving 40.0 g of FeCl3 in enough water to make 275 mL of solution?
Look up or calculate the molecular weight/molar mass of FeCl3. Then... 40.0 g FeCl3/MW FeCl3/0.275 L = M (concentration of FeCl3 in solution)
What is the molar concentration of Na in a solution prepared by dissolving 100.0g of Na3PO4 in sufficient H2O to form 2.00 L of solution?
The molarity of that solution is 0.82, based on sodium phosphate's molar mass and the given volume of solution. Since there are three sodium ions for every one formula unit of sodium phosphate, the molar concentration of Na+ ions is 0.82(3)=2.46.
The enthalpy change caused by dissolving a substance?
Molar heat of solution
What is it called when the concentration of a solution defined in terms of moles of solute per liter of solution?
This is a molar concentration.
Where does the dissolving of a solid in a liquid occur?
to make a 2 molar solution of NaOH, what is necesary
What is the Concentration of a 0.01M CaCO 3 solution?
0.01 Molar
Which aqueous solution has higher concentration 1 molar or 1 molal solution of the same solute?
1M solution has higher concentration than 1m solution
What is the concentration of a 4.0 L solution that has 2.0 mol of solute?
The concentration of the solute is 0,5 molar.
What is the hydronium ion concentration of a solution with a pH of 6?
0.000001 molar
If 18.2 mL of 0.800 Mrm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution what is the molar concentration of the ammonia?
The molar concentration is 2.91 M of ammonia.
If the hydrogen ion concentration of a solution is 10-8 molar the solution has a pH of?
eight (8)
When 0.027823 mol of lead II nitrate is dissolved in enough water to make 800 mL of solution what is the molar concentration of nitrate ions?
The formula of lead (II) nitrate is Pb(NO3)2. This shows that in any solution of lead nitrate only, the molar concentration of nitrate ions will be twice as much as the molar concentration of lead (II) nitrate. Molar concentration is defined as number of moles per liter of solution, and 800 mL is the same as 0.800 liters. Therefore the molar concentration of nitrate ions in the specified solution will be 2(0.027823/0.800) or 6.96 X 10-2 . Only three significant digits are justified because that is the number of digits in 800.
