Chemistry

If I add 0.348 liters of 5.25% bleach(Sodium Hypochlorite) into 4 liters of water, what is my concentration in ppm ?

1. 👍 0
2. 👎 0
3. 👁 311
1. I guess this is w/w

1. 👍 0
2. 👎 0
2. I think I got it - Please verify
Given:
c1v1=c2v2
MW of Sodium Hypochlorite = 74 grams/mol
5.25% = 52,500ppm = 52500 mg/l

calculating c1:
((52500mg/l)*(1mMol/74mg))/ (1liter/1000ml) = 0.709 mol/l or 0.709 M

rearranging c1v1=c2v2 for C2 gives:

C2= (0.709*0.348)/4 = 0.062 mol/l or 0.062M

Coverting 0.062 M to ppm

(0.062 mol/l)(1000mMol/mol)(74mg/mMol) = 4588 mg/l = 4588 ppm

Converting to %
4588ppm *(1%/10,000ppm)= 0.4588% Sodium Hypochlorite Solution

How'd I do?

1. 👍 0
2. 👎 0
3. I followed to this step and stopped.
The final volume is 4.348 (assuming the volumes are additive) and not 4. The problem states that 0.348 L is ADDED to 4L.
rearranging c1v1=c2v2 for C2 gives:

C2= (0.709*0.348)/4 = 0.062 mol/l or 0.062M

Additionally I think there are some rounding errors here and there.
I would stick with the solution in my earlier post.

1. 👍 0
2. 👎 0

Similar Questions

1. chemistry

What volume of HCl gas is produced by the reaction of 2.4 liters of H2 gas with 1.5 liters of Cl2 gas? (Volumes are at the same T and P.) 1. 3.0 liters 2. 4.8 liters 3. 0.75 liters 4. 2.4 liters 5. 1.5 liters

2. Algebra

A chemist wishes to mix a solution that is 4​% acid. She has on hand 66 liters of a 2​% acid solution and wishes to add some 8​% acid solution to obtain the desired 4​% acid solution. How much 8​% acid solution should

3. Chemistry

A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0

4. algebra

A container has 300 liters of water, and a second container has 700 liters of water. The first container begins filling up at a rate of 5 liters per minute at the same time the second starts draining at a rate of 6 liters per

1. chemistry........help!! =)

One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCl) by mass What is the molarity of this solution? (Assume a density of 1.02 g/mL .)

2. math

A bucket holds somewhere between 100 and150 liters of water. If we fill as many as 3 liters containers we will be left with 1 liter of water, similarly is the case with 4 liters container and 5 liters container then what is the

3. chemistry

ihave two solutions. in the first solution , 1.0 moles of sodium chloride is disslved to make 1.0 liters of solution . in the second one, 1.0 moles of sodium chlorine is added to 1.0 liters of water.is the molarity of each

4. Statistics

A cola-dispensing machine is set to dispense a mean of 2.024 liters into a container labeled 2 liters. Actual quantities dispensed vary and the amounts are normally distributed with a standard deviation of 0.040 liters. What is

1. Algebra

Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There are 700 liters in the pond to start. Let W represent the amount of water in the pond (in liters), and