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September 30, 2014

Search: a density of 1.0 M solution of NaCL

Number of results: 22,236

Chemistry
An aqueous solution of NaCl is 270m. If the density of the solution is 1.20g/ml. Find a) % NaCl by mass b) Molarity of NaCl in the solution.
July 16, 2014 by Arwida

chemisrty
Q4) Suppose you prepare 950 mL of a solution by dissolving 100 grams of NaCl in 900 mL of water. Assuming the density of pure water to be 1 g/mL, answer the following questions with regards to this solution: a) What is the mass percent of water in this solution? b) What is ...
January 16, 2012 by lyan

ChemII
A saline solution is 0.9% NaCl. What masses of NaCl and water would be required to prepare 50. L of this saline solution? Assume that the density of water is 1.000g/mL and that the NaCl does not add to the volume of the solution.
January 9, 2011 by Eric

chemistry
Making the simplistic assumption that the dissolved NaCl(s) does not affect the volume of the solvent water, determine the constants m and b in the equation Molarity = m⋅density + b that relates the NaCl molarity to the NaCl(aq) density. Take the density of water to be 1...
May 28, 2013 by Anonymous

chemistry
A solution contains 5.00% (by mass)NaCl. The density of the solution is 1.064 g/cm^3. What is the molarity of NaCl?
November 19, 2012 by evelyn

science
The solubility of sodium chloride is 36.0 g/100. ml of water, and the density of saturated NaCl solution is 1.202 g/mL.. I have 500. mL of a 1.00 M NaCl solution. If I boil it to the point of saturation, what is the final volume?
July 25, 2012 by Nasser

ap chem
I'm supposed to find the mass of NaCl in 1 L & the mass of H20 in 1 L. I'm given NaCl solution. 1% by mass. The Density is 1.071 g/mL. I know the answer for NaCl is 10.71 g, but I don't know where to start to get to this. Could you lead me in the right direction?
February 24, 2011 by dylan

Chemistry
Assuming that sea water is a 3.5 wt % solution of NaCl in water, calculate its osmotic pressure at 20°C. The density of a 3.5% NaCl solution at 20°C is 1.023 g/mL.
April 13, 2010 by Bob

Chemistry
Solution Density(g/L) Boiling Point Freezing Point 1.0m C2H5OH(aq) 1.05 100.5 -1.8 1.0m HCI(aq) 1.03 101.0 -3.7 1.0m NaCl(aq) 1.06 101.0 -3.7 2.0m NaCl(aq) 1.12 102.1 -7.4 1. Which properties in the table are colligative properties? 2. What can you conclude about the ...
January 20, 2011 by Nicole

chemistry
If you know that the mass concentration of a NaCl solution is 58.5 g/L, the molar concentration (mol/L) of the solution is ? can sum1 help me plz 1 mol of NaCl has a mass of what? 58.5 g NaCl x (1 mol NaCl/molar mass NaCl) = mols NaCl on 58.5 gg NaCl. Mols NaCl/Liter of ...
June 13, 2006 by brett

chemistry
Kc = [Na+][Cl-]/[NaCl(s)] The above equation contains the concentration of NaCl in solid NaCl. This concentration is related to the density of solid NaCl and its molar mass. Since the density of NaCl or of any pure solid or pure liquid does not vary with the extent of a ...
July 21, 2009 by jessica

chemistry
Assuming that sea water is a 3.5 wt% solution of NaCl in water, calculate its osmotic pressure at 20 deg C. The density of a 3.5% naCl solution at 20 deg C is 1.023 g/mL. How do I go about solving this?
February 28, 2008 by Sarah

math
you need to prepare 5ml NaCl solution . you already have a stock solution of 10% NaCl that you are asked to use . how many ul NaCl solution would you need to make 5ml of a 2% NaCl solution?
September 2, 2013 by eric

Chemistry
You mix 19.5 gallons of a mixture containing 12 wt% NaCl (sol'n density = 1.0837 g/cm^3) with V2-gallon sol'n that is 20 wt% NaCl (sol'n density = 1.1453 g/cm^3). Needed mixture is 19 wt% NaCl Whats the V2 in gallons? (all solutions are in water so just dealing with NaCl)
July 7, 2012 by Jason

chemistry
Calculate the molarity of each. a. 1.50 mole of NaCl in 8.00 L of solution 0.188 M NaCl b. 270 mg of NaCl in 3.00 mL of solution 90 M NaCl
February 22, 2012 by krystal

chemistry
In a laboratory experiment, a 18.0 ml sample of NaCl solution is poured into an evaporating dish with a mass of 24.00 g. The combined mass of the evaporating dish and NaCl solution is 37.15g. After heating, the evaporating dish and dry NaCl have a combined mass of 26.50 g. If ...
October 9, 2010 by Allyse

chemistry
A. What is the mass of Solution 3? in g B. What is the density of Solution 2? g/ml solution 1: Mass Empty Flask (g):42.252 Mass NaCl (g):0.911 Volume Water (mL):100 Mass of Flask + Solution (g):43.107 solution 2: MEF: 45.778 mass nacl:0.897 volume water: 100 mass of Flask+sol:...
January 8, 2010 by eng

Chemistry
25.0 mL of a NaCl solution (concentration unknown) was found to react with 20 drops of the chloride test solution from the PU Chloride Test Kit. Calculate the mass of NaCl (in grams) in this solution. Calculate the mass of NaCl required to prepare 0.250 L of a NaCl solution ...
October 3, 2010 by kt

CHEM
how do I work this question out?: 50.00g of NaCl are dissolved in water to give a solution that contains 2.500% NaCl by mass. The density of the solution is 1.030g/mL. The volume of the solution is: a)941.8mL; b)1.942L; c)2.500L; and, d)50.0mL. I know the answer is "b"->1....
December 11, 2006 by K

Chemistry
I have a certain concentration of NaCl (in mg/L). I have to convert it to ppm Na+. I read some of the previous posts, and I understand that if I don't know the density, I should assume that 1ppm = 1mg/L. Does this also apply to ppm Na+ since there is 1 Na+ ion for each ...
February 20, 2007 by Maggie

chemistry
calculate the mass, in grams, of NaCl present in each of the following solutions. 6.25 g of 11.5% NaCl solution 452 g of 12.3% NaCl solution please show me how to do these. Thanks.
April 29, 2011 by pat

Lab Math
You have 10.0 ml of a 5.0% NaCl solution. To this you add 5.00ml of a 2.0% NaCl solution. What is the molarity of NaCl in this final mixture? Please help!
February 2, 2012 by Morgan

Chemistry 314
What NaCl concentration results when 254 mL of an 0.880 M NaCl solution is mixed with 412 mL of a 0.450 M NaCl solution?
August 26, 2012 by Amanda

chemistry
What NaCl concentration results when 279 mL of a 0.640 M NaCl solution is mixed with 427 mL of a 0.490 M NaCl solution?
April 17, 2013 by lee

chemistry
10g of nacl were added to 10ml of water. the resulting solution was diluted to be a final volume of 250ml. Given the density of the solution is 0.9864g/ml. Calculate the molality of the solution. Who helps
December 25, 2012 by Fai

Chemistry
What is the molarity of a solution of Mg(OH)2 if the solution contains 1.35 g in exactly 100 mL of solution??? A 15.0 mL solution of H2SO3 is neutralized by 12.0 mL of a standradized 1.00M NaOH solution. What is the concentration of the H2SO3 solution?????? What volume of a 1....
December 12, 2012 by Tasha

chemistry
Calculate the molality of a 2.50 molarity NaCl solution. Density of solution = 1.08 g/ml.
March 4, 2010 by Anonymous

Chemistry
A solution is 3.00M NaCl. The solution density is 1.05 g/mL. Calculate the molality?
February 4, 2014 by Camilo

chemistry
The density of 3M solution of NaCl is 1.25 g/mL. Calculate the molality of the solution.
May 10, 2010 by varsha

chemistry
The density of 3M solution of NaCl is 1.25 g/mL. Calculate the molality of the solution.
May 10, 2010 by varsha

Chemistry
Given an aqueous solution of NaCl, which of the following is the simplest method for the separation of NaCl from the solution? 1. evaporation of solution to dryness 2. filtration of solution 3. osmosis of solution 4.centrifuging the solution 5. electrolysis of solution Is it 1...
January 30, 2010 by Anonymous

chem
Find the percent by mass of sodium chloride in a 1.15M NaCl solution. The density of the solution is 1.07g/mL.
October 1, 2008 by natash

chemistry
Find the percent by mass of sodium chloride in a 1.35 M NaCl solution. The density of the solution is 1.06 g/mL..............how do I go about doing this question thanks!
December 4, 2010 by Stacy

chemistry
Find the percent by mass of sodium chloride in a 1.35 M NaCl solution. The density of the solution is 1.06 g/mL..............how do I go about doing this question thanks!
December 6, 2010 by wade

chem
determine the osmotic pressure of the solution at STP. (Assume these solutions behave ideally.) a)0.116 mol fraction glucose (C6H12O6) in water (Assume the density of the solution is 1.02 g/mL.) b)0.0948 mol fraction NaCl in water (Assume the density of the solution is 1.00 g/...
January 26, 2011 by Rukky

chemistry
1.what is the volume of NaCl in cubic cm and cubic nm if the Length is 0.563 nm? 2. the density of NaCl is 2.17 g/cm. What is the Mass? 3. Each repeating unit is composed of 4 NaCl molecules. What is the Mass of 1 NaCl molecule?
August 20, 2011 by andi

Chemistry-Please help
Find the percent by mass of sodium chloride in a 1.45M NaCl solution. The density of the solution is 1.05g/mol .
October 5, 2009 by Rose

Chemistry
HCl(aq) +NaOH(aq) ---> NaCl +H2O In a coffee cup calorimeter 50 ml of 2.00M HCl was combined with 50ml of 2.05M NaOH. a) What is the enthalpy change for the reaction? b) What is the molar enthalpy for the reaction? Given: Change in T= 14 degrees celsius heat capacity of the...
October 8, 2013 by Kuu

science
Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of sodium chloride during this experiment.... a.calculate mass of sodium chloride needed to prepare solution. (0.25L)(0.019M NaCl/L)*(58.5g NaCl/1mole NaCl)=0.278 g NaCl....is that right? someone just replied it was...
September 17, 2009 by Ally

chem
an aq. solution(NaCl) made by using 133g diluted to a total solution volume of 1 L.Calculate the molarity, molality & mass % of the solution(density of solution = 1.08g/mL) [ans: M=1.92M, m=2.0m, 10.4 %] i need the calculation work bcus my ans is contradict from the real ans.
July 21, 2011 by lily

Chemistry
Naoh (aq) + HCl (aq) --> NaCl (aq) + H2O (l) Using the dT determined in part 1, calculate the heat capacity of the calorimeter. Enthalpy of reaction= -58.3 kj/mol, Cs (NaCl = 3.91j/g C)density of 1 M NaCl = 1.037g/mL. dT= 12.88 degrees Celcius.
November 12, 2012 by Annie

Chem
If you had a 5.55 M solution of NaCL that has a density of 1.025g/ml at 20C, what would the concentration be of the solution in molarity.I got .541 m am I right or my calculation totally off?
August 25, 2009 by Sammy

chemistry
Physicain elects to re-hydrate the patient br intravenous(IV) administration of 2.0 L of 0.45% (w/v) of NaCl. 0.45%9w/v) = 0.45g/100ml A.How many grams of NaCl were given? B.How many moles of Nacl were given? C.What is the molarity of the NaCl solution?
May 13, 2013 by Monica

Chemistry
A 15.0% (by mass) NaCl solution is available.. Determine what mass of solution should be used to obtain a. 2.50 mole of NaCl b. 25.0 g/mol of NaCl
December 2, 2010 by Tim

biology
A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur. Solution A: 3.21% (m/v) NaCl Solution B: 1.65% (m/v) glucose Solution C: distilled H2O Solution D: 6.97% (m/v) glucose Solution E: 5.0% (m/v) glucose ...
September 29, 2011 by sol

Chem
1) Which solution will have the lowest OH- A) Na2CO3 B) NaHCO3 C) NaCl D) NaHSO4 E) NH4Cl 2) Which solution will be the strongest base? A) Na2CO3 B) NaHCO3 C) NaCl D) NaHSO4 E) NH4Cl 3) Which aqueous solutions are acidic? A) Na2CO3 and NaHCO3 B) NaCl and NH4Cl C) NaHSO4 and ...
April 5, 2014 by Timothy

chemistry
if you dissolve 20mg of alcl3 into 2.0 of a 2.5 molal nacl solution (density 1.08kg/l), what would be the mass concentration (ppm(weight)) of al3+ in the resulting solution?
January 26, 2014 by Ashley

science-chem
first, thanks so much Bob for helping me!!!! Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of sodium chloride during this experiment.... a.calculate mass of sodium chloride needed to prepare solution. (0.25L)(0.019M NaCl/L)*(58.5g NaCl/1mole NaCl)=0.278 g NaCl...
September 17, 2009 by Ally

bio
You have a sample of NaCl that contains 100 mg/ml NaCl. You are trying to perform an reaction that requires 10ml of 20 mg/ml. Enter in the correct amount (in ml) of Stock NaCl solution you need to use to make 10ml of 20 mg/ml NaCl
March 1, 2011 by mina

science
In the lab you need to make 1.00 L of a 0.300 M NaCl solution. You had previously made a 0.950 M NaCl solution that you can dilute to form your new solution. How many mL of the concentrated solution would you use to make the dilute solution?
November 2, 2011 by liz

chemistry
An ice-bath made with sodium chloride will be 9 ± 1 oC when the solution is about 23% sodium chloride by mass. The density of solid sodium chloride is about 2 g/cm3. What volume of solid NaCl would you add to 200 g water to make a 23% NaCl solution? ANY HELP WOULD BE AWESOME!...
February 13, 2014 by Jamie

chemistry
The density of 3M solution of NaCl is 1.25 g/mL. Calculate the molality of the soution.
May 10, 2010 by varsha

Chemistry
The density of a 1.0 M solution of NaCl is 1.04 g/mol and its specific heat, c, is 3.60 J/C*g. How much heat is absorbed by 31.4 mL of this solution if the temperature rises from 18.6 C to 29.7 C?
October 19, 2010 by Sarah

science
The density of a 1.0 M solution of NaCl is 1.04 g/mL and its specific heat, c, is 3.06 J/C*g. How much heat is absorbed by 3.14 mL of this solution if the temperature rises from 18.6C to 29.7C? q=m*C*delta T (1.04g)(3.06)(11.1K)=35.32 is that right?
October 22, 2009 by megan

biochemistry
What is the composition of 21 g NaCl in 500 ml solution (density 1.12 g/ml) in % (w/w)? 1. 0.375% 2. 21.25% 3. 3.75% 4. 4.75% 5. 2.125%
February 16, 2011 by Anonymous

Biology
What happened if you put the Elodea leaf cells in a solution of 0.5% NaCl,1.8% NaCl and 0.9%NaCl?
July 23, 2011 by Ivy

chemistry
The solubility of NaCl in water is 35.7 g NaCl/100 g H2O. Suppose that you have 500.0 g of NaCl. What is the minimum volume of water you would need to dissolve it all? The density of water is 1.0 g/mL.
January 17, 2011 by Maria

chemistry
The solubility of NaCl in water is 35.7g NaCl/100g H2O. Suppose that you have 500.0g of NaCl. What is the minimum volume of water you would need to dissolve it all? (Assume that de density of water is 1.0 g/mL.)
February 19, 2011 by Jazmin

chemistry
The solubility of NaCl in water is 35.7g NaCl/100g H2O. Suppose that you have 500.0g of NaCl. What is the minimum volume of water you would need to dissolve it all? (Assume that de density of water is 1.0 g/mL.)
February 19, 2011 by Jazmin

Chemistry
A solution is made by dissolving 0.100 mol of NaCl in 5.35 mol of water. What is the mass % of NaCl? So far, I have determined molecular weight of NaCl (58.44 g/mol) multiplied by 0.100 mol = 5.844g NaCl, and mw of H2O (18 g/mol) = 96g H20. I thought mass solute/mass solution...
March 26, 2010 by Jon

chemistry 2
An experiment calls for 125 mL of 0.105 M NaCl solution. What mass of NaCl is required? What mass of NaCl would be required for 1.00 L of the same solution?
April 16, 2012 by Britany

chemistr
10g of nacl were added to 10ml of water. he resulting solution was diluted to be a final volume of 250ml. Calculate the molarity of the solution. My calculation 10g/58g/mol = 0.173M 0.173M/025L =0.689M Given the density of the solution is 0.9864g/ml. Calculate the molality of ...
December 25, 2012 by Fai

Chem
Plese tell me if these are right. A 15.0-mL sample of NaCl solution has a mass of 15.78g. After the NaCl is evaporated to dryness, the dry salt residue has a mass of 3.26g. Calculate the following concentrations for the NaCl solution. a. %(m/m)= 3.26 x 100 / 15.78 = 20.7 b. %(...
November 7, 2010 by Jason

chemistry
If 12.45gm NaCL is dissolved in 115ml of water, what is the density of NaCL?
January 31, 2011 by Twynna

chemistry
If 12.45gm NaCL is dissolved in 115ml of water, what is the density of NaCL?
February 2, 2011 by Twynna

chemistry.
What is the concentration (M) of a NaCL solution prepared by dissolving 9,3g of Nacl in sufficient water give 350ml of solution?.Any idea???
November 14, 2009 by Denmark

Chemistry
Which is the more concentrated solution: a solution made with .70 moles of NaCl in a .35L water or a 35g of NaCl in .75L?
April 8, 2013 by Alexis

chemistry
. Given the following stocks 4M NaCl, 3M NaOH, 5M HCl (a) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M (b) Prepare 300ml of a solution containing 0.5M NaCl (c) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M HCl
April 15, 2011 by tom

chemistry
Calculate the concentration, in percent by mass, of a refrigerant brine solution which is 4.03 M in NaCl with a density of 1.116 g mL-1.
November 9, 2007 by keely

chemistry
How much water is neede to add to 60ml of 10% NaCl, density 1.05g/ml to obtain 4% solution
June 29, 2013 by Anonymous

AP Chem.
NaCl dissociates completely in water. Therefor the total number of particles in a 1.0 m NaCl solution is no longer 6.02 X 10^23. Since a colligative property is dependent only on the total number of solute particles, what is the freezing point for 1.0 m NaCl solution?
March 28, 2010 by Heather

Chemistry
You are instructed to prepare 250 mL of a solution which is 50 M in NaCl and 0.10 M in acetic acid. Solid NaCl and a 3.0 M solution are avaliable. How would you prepare this solution?
April 22, 2012 by Orianna

Physics
The freezing point depression of a .100 m solution of NaCl solution is .34C. Calculate the percent dissociation of NaCl.( Kf for water=1.86) Please help
August 27, 2009 by Sammy

chemistry
An aqueous solution of nacl has a mole fraction of 0.21. What is the mass of NaCl dissolved in 100.0 mL of solution?
February 13, 2011 by Ashley

chemistry
what is the molarity of a solution containing 23g of NaCl in 500 mL of solution? (the molecular mass of NaCl is 58.44.)
April 28, 2011 by lilly

Chemistry
How much distilled water must be added to .85% solution Of NaCL to make a 70% solution of NaCl
February 15, 2012 by Joan

Chemistry
Naoh (aq) + HCl (aq) --> NaCl (aq) + H2O (l) Using the dT determined in part 1, calculate the heat capacity of the calorimeter. Enthalpy of reaction= -58.3 kj/mol, Cs (NaCl = 3.91j/g C)density of 1 M NaCl = 1.037g/mL. dT= 12.88 degrees Celcius.50 mL of 2.00 M HCl and 50 ml ...
November 12, 2012 by Annie

Chemistry
I am making a NaCl solution. What are the steps in calculating and weighing out NaCl for a 4 M solution.
January 5, 2009 by Kyle

Chemistry
A saline solution contains 1.3% NaCl by mass. How much NaCl is present in 83.2g of this solution?
November 30, 2010 by Kelsey G

chemistry
How many mL of a 0.90% (m/v) NaCl stock solution will you need to to prepare 250 mL of a 0.225% m/v NaCl solution?
December 5, 2010 by nate

Chemistry
2)How to prepare 5.6 liter of 50 mM NaCL solution (mol wt 58.44) using 10% NaCL stock solution?
December 6, 2011 by Daniel

chemistry
A saline solution contains 1.1% NaCl by mass. How much NaCl is present in 87.2 g of this solution?
March 11, 2013 by Amee

Chemistry
1.2g of NaCl as used to prepare 200 ml solution , what is the molar concentration of NaCl in solution ?
April 20, 2014 by Mariam

chemistry
If 4.8 liters of a 2.8 M solution of NaCl then the solution will have *Blank* moles of NaCl dissolved in it.
May 27, 2014 by Griffin

Chemistry
a .50 g of NaCl is added to water to create a .50 L solution. what volume of this solution is needed to create a 1.30L solution that is .100M NaCl
February 5, 2013 by Harjit

SCIENCE
A SOLUTION OF Nacl IN H2O HAS 3.80G NACL IN 1LITRE SOLUTION,WHAT IS MOLARITY?
August 25, 2011 by TSHOGANETSO

Chemistry
Express 2.5M NaCl as a percent solution. what is the molar concentration of a 10% NaCl solution?
September 18, 2011 by confuzzled

science
How many liters of a 0.80%\% (m/v{\rm m/v}) NaCl{\rm NaCl} solution can be prepared from 500mLmL of a 9.0%\% (m/v{\rm m/v}) stock solution?
May 5, 2014 by Lanita

Chemistry 1
We are working on molarity of a solution in my class, and I am a little stumped on how to set the problems up. Here is one question from my homework. How many grams of NaCl are needed to make 575mL of 1.5 M NaCl solution? Thank you in advance :)
January 3, 2013 by Emily

Chemistry
In concentrated aqueous solutions of NaCl, the Na+ (aq) ions can be so close to the Cl- (aq) ions that a small percentage is associated in ion pairs at any given moment. Suppose that a solution contains 1.00 mol of NaCl and that 5.57% of the formula units exist in solution as ...
May 2, 2007 by Mike

chemistry
If the % m/m of a solution of NaCl is 22%, how many grams of NaCl are present in 250g of solution???/
February 25, 2012 by Mandy

chemistry
if the %m/m of a solution of NaCl is 22%, how may grams of NaCl are present in 250g of solution?
November 19, 2013 by lisa

chemistry
When 50.0mL of 1.20 M of HCl (aq)is combined with 50.0mL of 1.30 M of NaOH (aq) in a coffee-cup calorimeter, the temperature of the solution increases by 8.01 Degrees C. What is the change in enthalpy for this balanced reaction? HCl(aq) + NaOH(aq) --yields-- NaCl(aq) + H20(l) ...
November 14, 2012 by marcus

chemistry
A student needs to make a dilution from a stock solution. The stock solution is 2.) M NaCl. How much should the student use of the 2.0 M NaCl to make 1.0 L of 0.05M NaCl diluted stock.
April 6, 2011 by Marilyn

Math
How would you go about making 250ml of a 20X stock solution of NaCl to dilute later to a final concentration of 50mM? I know that the molecular weight of NaCl is 58.44 but I am not sure where to start. I need to figure out the amount of NaCl and water needed. Thank you!
March 26, 2013 by Anonymous

Chemistry
The freezing point depression of a 0.100 molality solution of NaCl(aq) solution is 0.34 deg C. Calculate the % dissociation of NaCl(aq) (Kf for water = 1.86 deg Cm^-1)
August 30, 2009 by AJ

Math(Please help) Thank you
How would you go about making 250ml of a 20X stock solution of NaCl to dilute later to a final concentration of 50mM? I know that the molecular weight of NaCl is 58.44 but I am not sure where to start. I need to figure out the amount of NaCl and water needed. Thank you!
March 26, 2013 by Anonymous

solutions
If one solution cotains 10% NaCl and another contains 30% NaCl, the 30% solution is isotonic, hypotonic, hypertonic, plasmolyzed with respect to 10% solution. iso means equal. hypo means less than hyper means more than plasmolyzed was just thrown in to confuse you.
October 9, 2006 by Natalie Vega

chemistry
A 15.0ml sample of NaCL solution has a mass of 15.78g.after the NaCL solution is evaporated to dryness, the dry salt residue has a mass of 3.26g. calculate the following concentrations for the %(m/m), % (m/v), molarity (M)
November 1, 2012 by jack

Chemistry
A student intend to prepare 200ml of 0.3M NaCl solution . The mass in gram of NaCl needed to prepare solution is ?!
April 20, 2014 by Mariam

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