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Yoy need to know the molar mass of this solute and the mass of the solute:
moles = total mass/molar mass
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How will you determine the number of moles solute?
number of moles=solute concentration/solute molar mass
How many moles of Na2CO3 are there in 10.0 L of 2.0 M soluton?
Molarity = moles of solute/Liters of solution Or, for our purposes, Moles of solute = Liters of solution * Molarity Moles Na2CO3 = 10.0 Liters * 2.0 M = 20 moles Na2CO3 --------------------------
How many moles of sodium chloride are in 5.08 L of a 2.36 M solution?
Molarity = moles of solute/Liters of solution ( find the moles ) 2.36 M NaCl = moles NaCl/5.08 Liters NaCl = 12.0 moles
What is the number of moles of solute in 400 ml of a 0.4 M solute?
The answer is 0,16 moles.
How many equivalents are there in 15 ml of concentrated Hcl which is approximately 12 molar in concentration?
molarity = number of moles of solute / volume of solution number of moles of solute = molarity x volume of solution number of moles of solute = 12 (mole/L) x 15/1000 (L) number of moles of solute = 0.18 mole
How many moles of solute are contained in 200 milliliters of 1 M solution?
200 mL is 0.200 L and 0.90 M means 0.90 moles/L So, 0.200 L x 0.90 moles/L = 0.18 moles
How many moles of agno3 are needed to prepare 0.50 l of a 4.0 m solution?
Molarity = moles of solute/liters of solution or, for our purposes moles of solute = liters of solution * Molarity moles of AgNO3 = 0,50 liters * 4.0 M = 2.0 moles of AgNO3 needed --------------------------------------
Molarity is to moles of solute over liters of solution as molality is to?
moles of solute over kg of solvent
What is the mole fraction of solute in a 3.62 m aqueous solution?
0.0613 mole fraction = moles solute/(moles solute + moles water) moles water = 1000 g / 18.02 = 55.49 3.62/(55.49 + 3.62)=0.0613
How many moles of solute particles are produced by adding one mole of sodium nitrate to water?
two moles
How many moles of HCl are present in 40ml of a 0.035M solution?
Molarity = moles of solute/Liters of solution (40 ml = 0.04 Liters) algebraically manipulated, Moles of solute = Liters of solution * Molarity Moles HCl = (0.04 Liters)(0.035 M) = 0.0014 moles HCl ==============
To calculate the molarity of a solution, you need to know the moles of solute and the?
You need to know the moles of solute and the VOLUME of SOLUTION.
