Acids and Bases

# What is the molarity of concentrated HCl?

567 ###### 2008-12-01 05:54:33

Molarity of concentrated HCl is 12.1 M

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## Related Questions It is monobasic - so normality = molarity. So 6N HCl = 6 Molar HCl 1N HCL is the same as 1 Molar HCl. You take the # of H ions and multiply by the molarity to get the Normality. Usually you buy HCl in concentrated form which is 12 Molar or 12 Normal HCL. You need to dilute the concentrated HCl to get the reduced concentration. Use the formula Molarity Initial x Volume Initial = Molarity Final x Volume Final ex. 12 M HCL x 10 ml = 1 M x 120 ml. So take 10 ml of concentrated HCl and add enough water to make 120 ml. This will give you 120 ml of 1 M (which is 1N) HCl. Venkat Reddy Molarity = moles of solute/Liters of solutionSo, get moles HCl.73 grams HCl (1 mole HCl/36.458)= 2.00 moles HCl---------------------------Molarity = 2.00 moles HCl/2 Liters= 1 M HCl======= Molarity = moles of solute/liters of solution Molarity = 0.597 moles HCl/0.169 liters = 3.53 M HCl ------------------ Find moles of HCl first. 1.56 grams HCl (1mole HCl/36.458 grams) = 0.0428 moles HCl Molarity = moles of solute/volume of solution Molarity = 0.0428 moles/26.8 ml = 0.00160 milli-Molarity, or more to the point; = 1.60 X 10^-6 Molarity of HCl  Need moles HCl first.9.63 grams HCl (1 mole HCl/36.458 grams) = 0.2641 moles HClMolarity = moles of solute/Liters of solutionMolarity = 0.2641 moles HCl/1.5 Liters= 0.176 M HCl solution================= For solutions where there is only one hydrogen atom per molecule (HCl) N is the same as molarity (M). It differs only when there is more than one hydrogen atom per molecule. You must determine the concentration first of the concentrated HCl, typically concentrated HCl is a 36-38% HCL which works out to about 12-12.2 N concentration. From there all you have to due is dilute down to 0.1N. You must determine the concentration first of the concentrated HCl, typically concentrated HCl is a 36-38% HCL which works out to about 12-12.2 N concentration. From there all you have to due is dilute down to 0.1N. The difference between 1 molar of HCl and 2 molar of HCl is that the 2 molar HCl is more concentrated. Molarity is the measure of moles/liter 1M= 1mol HCl/1 L of solution 2M= 2mol HCl/ 1 L of solution 1.22Molarity (multiply) 0.076Liters = 0.09272Moles needed to neutralize. 0.09272Moles (divided by) 0.125Liters = 0.74176 Molarity HCl has a Molarity of 0.74176   31 grams HCl (1mol/36.458g ) = 0.850 moles 500cm^3 = 0.50 Liters Molarity = moles of solute/liters of solution Molarity = 0.850mol/0.50L = 1.7 Molarity Concentrated HCl is typically 36.5% industrially. It is thus almost exactly 10 Molar. 6 M HCl means 6 molarity Hydrogen Chloride, M or Molarity is the expression of number of mol. per liter. 6 M HCl is a form of potent acid. We can use PV = nRT to find moles of HCl (1 atm)(4.60 L) = n(0.08206 L*atm/mol*K)(298.15 K) moles HCl = 0.188 moles Molarity = moles of solute/Liters of solution Molarity = 0.188 moles HCl/0.240 liters = 0.783 Molar HCl =============  1 part of concentrated HNO3 by volume3 part of concentrated HCl by volume   because molality is independent of temperature and molarity is dependent on temperature further molality is dilute while molarity is concentrated.   Look at the bottle of HCl. It gives a molarity. then dilute to 0.25 M.

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