0
Density of HCl = 1.186 g/mL
Molar Mass HCl = 36.46g/mol
We want a concentration in mol/L so we will first convert density into g/L
(1.186 g/mL)(1000mL/1L) = 1186 g/L
We must now know what density 37% of that is
(0.37)(1186 g/L) = 438.82 g/L
Now divide this density by the molar mass to cance out the g and give you mol/L (concentration)
C = (438.82g/L)/(36.46g/mol)
C = 12.04 M
Since HCl is monoprotic, 1M = 1N.
Therefore, 37% HCl is ~12N
To convert percent HCl to normality, first divide the percent concentration by the molar mass of HCl to get the molarity. Then, since normality is the number of equivalents of solute per liter of solution, for HCl you would multiply the molarity by 1 (since HCl provides 1 equivalent of H+ ion). So, 37% HCl would be 37/36.5 = 1.01 M HCl, which is equivalent to 1.01 N HCl.
Add your answer:
Earn +20 pts
What is the normality of 37 percent fuming HCl?
To find the normality of a solution, you need to know the molarity and whether the solution is monoprotic or polyprotic. Since fuming HCl is typically monoprotic (one hydrogen per molecule), you can assume the normality is equal to the molarity. Therefore, the normality of a 37% fuming HCl solution is approximately 11.1 N (since 37% is roughly 11.1 M HCl).
How do you prepare 0.5n HCL from 37 percent HCL?
To prepare 0.5N HCl from 37% HCl solution, you can use the formula C1V1 = C2V2 where C1 is the initial concentration, V1 is the initial volume, C2 is the desired concentration (0.5N), and V2 is the final volume. Calculate the volume of 37% HCl needed and dilute it to the desired volume with water.
How do you prepare 0.5M HCL from 37 percent HCL?
To prepare 0.5M HCl from 37% HCl, you would dilute the concentrated HCl with water. Since the concentration of the concentrated HCl is 37%, you can use the formula: (C1V1) = (C2V2) where C1 = concentration of concentrated HCl, V1 = volume of concentrated HCl, C2 = desired concentration of HCl (0.5M), and V2 = final volume (in liters). Solve for V1 to find the volume of concentrated HCl needed. Then, dilute it to the desired volume with water.
Where do you get the 82.81 ml during the preparation of 1 N solution of HCl from a concentrated 37 percent HCl?
To prepare a 1 N solution of HCl from a concentrated 37% HCl solution, you would need to dilute the concentrated solution with water. The calculation to determine the volume of 37% HCl needed to make 1 N solution would be: (1N x 36.46 g/mol HCl) / 0.37 g/ml = 98.65 mL. Since the 37% HCl solution is already at 37%, only 82.81 ml would be needed to make the desired solution strength.
How do you make HCl 5 normal?
To make 5N HCl solution, add the appropriate volume of concentrated hydrochloric acid (usually around 37% concentration) to water to achieve the desired normality. Use proper safety precautions as hydrochloric acid is corrosive and should always be added to water, not the other way around, to avoid splattering. It's recommended to double-check calculations and volumes to ensure accuracy.
What is the normality of 37 percent fuming HCl?
To find the normality of a solution, you need to know the molarity and whether the solution is monoprotic or polyprotic. Since fuming HCl is typically monoprotic (one hydrogen per molecule), you can assume the normality is equal to the molarity. Therefore, the normality of a 37% fuming HCl solution is approximately 11.1 N (since 37% is roughly 11.1 M HCl).
Why hcl is 37 percent pure?
i dont knw
How do you convert 37 percent into a decimal?
To convert 37% to decimal divide by 100: 37% ÷ 100 = 0.37
What is thirty-seven in percent?
To convert 37 to percent multiply by 100: 37 × 100 = 3,700%
Why standard normality of HCl is 11.3 N?
The standard normality of HCl is 11.3 N because it is a strong acid with one hydrogen ion, which means that one mole of HCl will dissociate into one mole of hydrogen ions. Normality is a concentration unit that takes into account the number of equivalents of the solute in a solution. For HCl, the equivalent weight is equal to the molar mass, which is 36.46 g/mol, so 11.3 N corresponds to 11.3 moles of HCl per liter of solution.
How do you write 37 hundredths as a percent?
To convert 37 hundredths (0.37) to percent, multiply by 100: 0.37 × 100 = 37 %
How do you prepare 0.5n HCL from 37 percent HCL?
To prepare 0.5N HCl from 37% HCl solution, you can use the formula C1V1 = C2V2 where C1 is the initial concentration, V1 is the initial volume, C2 is the desired concentration (0.5N), and V2 is the final volume. Calculate the volume of 37% HCl needed and dilute it to the desired volume with water.
How to convert percent to a fraction?
Put it over 100. 37% = 37/100
Why do you find acid normality why dont you take known normality of acid?
Acid normality is the concentration of acid molecules that can donate a proton in a chemical reaction. It is calculated based on the number of acidic or basic equivalents in the reaction. It is necessary to determine acid normality because it provides a more accurate representation of the acid's ability to react compared to just its known molarity.
What is the normality of commercial grade HCl?
The normality of commercial grade hydrochloric acid (HCl) can vary depending on the concentration specified by the manufacturer. Hydrochloric acid is commonly available in different concentrations, such as 37% or concentrated hydrochloric acid. To determine the normality, it is essential to know the molarity (moles of solute per liter of solution) and the number of equivalents of the acid. Normality (N) is related to molarity (M) by the equation: � = � × � N=n×M where: � N is the normality, � n is the number of equivalents, � M is the molarity. For hydrochloric acid (HCl), which is a monoprotic acid (donates one proton), the number of equivalents ( � n) is equal to 1. Therefore, if you know the molarity of the commercial grade hydrochloric acid, you can determine its normality using the equation mentioned above. It's important to check the product label or contact the manufacturer for the specific concentration of the hydrochloric acid you are using.
What is 0.370 as a percent?
To convert 0.370 to percent multiply by 100:0.370 × 100 = 37 %
Convert 14.8 percent to fraction?
148/1000 = 37/250
