a density of 1.0 M solution of NaCL
29,680 results, page 64

chemistry
A 5.00 % m/m glucose solution has d = 1.02 g/mL. What is the mass of glucose in 375 mL of the solution? Enter only the numeric value for your answer (no units). 
chemistry
If 5 g of solid sodium hydroxide is dissolved in 100 mL of water, what is the molarity of the solution in moles of NaOH/L of solution (moles/L)? 
chemistry
It takes 75 mL of 0.124 M KOH to neutralize 28.5 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in moles/liter. 
Chemistry
What is the molarity of H2SO4 in a solution prepared by adding 15.0 mL of 6.0 Molarity H2S04 to enough water to make 100.0 mL of solution? 
chemistry
Have 250 mL of a 0.80 M solution of silver nitrate AgNO3 dissolved in water. how many grams of AgNO3 does the solution contain 
Chemistry
A solution is prepared by dissolving NH3(g) in water according to the following equation. NH3(g) + H2O(l)=NH4^+(aq)+ OH^(aq) If the pH= 9.60 what is the [OH] in the solution. 
chemistry
a gas solution contains 5 moles H2 and 10 moles of oxygen. what is the mole fraction of hydrogen and oxygenin the solution formed? 
chemistry
An HNO3 solution has a pH of 3.04. What volume of 0.015 M LiOH will be required to titrate 89.0 mL of the HNO3 solution to reach the equivalence point? 
Chemistry
Predict the products when a chemist mixes an aqueous sodium chloride solution with an aqueous calcium nitrate solution. 
chemistry
a solution has gluten concentration of 2000ug/mL at 150uL. if 2uLof that solution is taken out what is the quantity of gluten in ppm? 
Chemistry
Enough of a monoprotic acid is dissolved in water to produce a 0.0169 M solution. The pH of the resulting solution is 2.68. Calculate the Ka for the acid. 
Chem 1
consider 400 mL of a0.266 M LiNO3 solution. To what volume must it be diluted to make a 0.075 M LiNO3 solution. 
chemistry laboratory
1. prepare a buffer solution by using acetic acid and sodium acetate.2. prepare M/40 NAOH solution. 
Chemistry
2S2O3 2 + I2 => S4o6 2 + 2I  If,in an experiment,0.05 mol S2O3 2 is consumed in 1.0L of solution each second,at what rates are S4O6 2 and I produced in this solution? 
chemistry
A 0.115L sample of an unknown HNO3 solution required 31.1 mL of 0.100 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution? 
chemistry
A solution of sodium cyanide NACN has a PH of 12.10. How many grams of NACN are in 425ml of solution with the same PH? Please helps me to solve it for me 
Algebra 1
Use the multiplication property of inequalities to solve the inequality. Graph the solution set 1/9t≥2 The solution set is? 
chemistry
how many grams of NaOH should be used to make 200 mL of a 0.24M solution of NaOH starting with a .4M HCL solution 
chemistry
enough of a monoprotic acid is dissolved in water to produce a 0.0111M solution. The pH of the resulting solution is 2.62. Calculate the Ka for the acid. 
Chemistry
What determines whether or not the majority of acid is in the protonated form in solution? How does this incorporate both the pH of the solution and the pka of the acid? 
Chemistry105
What is the molarity of a solution made by diluting exactely 10.00 mL of a 0.1235 M solution of KNO3 to exactely 250 mL in a graduated flask? 
calculus
solve the following exponential equation. 8^x=3 what is the exact answer? a. x= ? b. there is no solution what is the answer approximated to 3 decimal places? a. x= ? b. there is no solution 
chemistry
A solution contains 0.02755 g of a protein in 25.0 mL of solution. The osmotic pressure is 3.22 torr at 298 K. What is the molecular weight of the protein? 
science
Suppose you wanted to produce 1.17 L of a 3.41 M aqueous solution of H2SO4. How many grams of solute are needed to make this solution? (H2SO4) 
Chemistry
A solution of hydrochloric acid (HCl) contains 22.5% hydrochloric by mass. What is the molality of this solution I'm not sure how to start this problem... 
Chemistry
What type of reaction will occur when an aqueous solution of lithium chloride is mixed with an aqueous solution of ammonium sulfate? 
Chemistry
Calculate the concentration of ions in the following saturated solutions. (a) [I −] in AgI solution with [Ag+] = 8.1 109 M (b) [Al3+] in Al(OH)3 solution with [OH −] = 1.8 109 M 
Chemistry
Enough of a monoprotic acid is dissolved in water to produce a 0.0190 M solution. The pH of the resulting solution is 2.33. Calculate the Ka for the acid. 
Chemistry
Na2SO4 solution is slowly added to a solution which contains .10 M Ba (2+) and .1 M Pb(2+). which of the following statements descrives the result of the addition of Na2SO4 
Alg 1
Find the exact solution for each equaton. Find the approximate solution to the nearest tenth. 3 sq rt 3/sq rt 1 + sq rt 1 = x/sq rt 3 Please solve and explain. Thanks 
science
0.63 gm of oxalic acid (COOH)2 2H20 are dissolved in 500 ml of solution. Calculate the molarity of the solution? 
Chemistry
To what volume should you dilute 55mL mL of a 13M M stock HNO 3 solution to obtain a 0.140M M HNO 3 solution? 
Chemistry
To what volume should you dilute 55mL mL of a 13M stock HNO 3 solution to obtain a 0.140M M HNO 3 solution? 
chem
If a 30.00mL aliquot of a 0.15 M NH4Cl solution is added to 20.00mL of a 0.18 M NH4NO3 solution, what is the concentration of nitrate ion in the mixture? 
Chemistry
A 0.110L sample of an unknown HNO3 solution required 52.1 mL of 0.150 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution? 
chemistry
5.00×10−3mol of HBr are dissolved in water to make 15.0L of solution. What is the concentration of hydroxide ions, [OH−], in this solution? 
Chemistry 2
A solution of NaOH (aq) contains 8.2 grams of NaOH(s) per 100.0 mL of solution. Calcualte Ph and POH at 25 degrees celsiuis 
help with math!!!!
Solve each system using substitution. Tell whether the system has one solution, infinitely many solutions, or no solution. 13. x + y = 13 3x  1 = 19 15. 1/3y= 7/3 x + 5/3 x  3y = 5 17. 3x + y = 13 2x + 5y = 54 
SEATTLE
Determine the volume of base ml needed to prepare the following 500 ml of 0.18 % NaOH SOLUTION USING A 10.0 % NaOH SOLUTION 
Science
A solution made up of 20ml of mythl alcohol and 50ml of water. What is the volume percent of ethyl alcohol in solution. 
Chemistry
Household ammonia contains 0.85 g of NH3 in each 100. mL of solution. What is the molarity of the ammonia solution? (atomic masses: N = 14.01, H = 1.008) 
Chemistry
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H with 25.00 mL of 0.010 M CH3CO2Na? Assume the volumes of the solution are additive and that Ka = 1.8 x 105 for CH3CO2H. 4. How is this solved? 
Chemistry
what is the molar concentration of h2so4 solution is 2.0ml of which is completely neutralized by 45.0ml of 0.115 mol/L NaOH solution? 
chemistry
A 0.8743 g sample of KHP was titrated 42.45mL of NaOH solution until the phenolphthalein endpoint. What is the molarity of the NaOH solution? 
Chemistry
What is the pH of the resulting solution when 25.0mL of 0.100 HNO3(aq)are reacted with 20.0 mL NaOH(aq)? Is the resulting solution acidic or basic in nature? 
Chemistry
In an acidbase neutralization reaction 25 mL of 0.4 M NaOH reacts with 50.00 mL of H2SO4 solution. Calculate the concentration of the H2SO4 solution? 
Algebra 1
Solve each system using substitution. tell whether the system has one solution, infinitely many solutions, or no Solution. 1.) y=2x 1 2x +2y= 22 
chemistry
An aqueous solution contains 64g of ethanol( C2H5OH) in 122 grams of solution. The mole fraction of ethanol is: 
Chemistry
how would the presence of a white solid in a solution effect the solution's absorbance? it made its absorbance higher, but i'm not too sure why 
Chemistry
1. What volume of nitric acid solution with mass fraction of 16% is required to make make 250ml solution with 0.2mole/l? 
Algebra
Is(0,3) a solution to the equation y=x+3 A. Yes B. No*** Is (1,4) a solution to the equation y= 2x A. Yes*** B. No Look at the following points (4,0) (3,1) (6,3) (2,4) Which are the solutions to y= x4? Choose all the correct answers A.(6,3) B.(4,0)*** C.(3,1) D.(2,4)*** 
Math
how many solutions does the equation have 4x + 3=2(2x +9) 1 one solution 2 no solution 3 an infinite number of solutions 4 impossible to determine My answer 1 
chemistry
You have a solution of 12.0 M HCl. You need 36.5 g of hydrochloric acid for a reaction in your chemistry lab. How many mL of solution must you use? 
chemistry
The vapour pressure of pure water at 760 mm at 25 degree celcius. The vapour of solution containing 1m solution of glucose will be. 
Physical Chemistry
A 1.00M sucrose solution freezes at 1.8 degree Celsius. What is the freezing point of 1.00M glucose solution? 
Chemistry
Calculate the volume of 1.0 M CuSO4 stock solution you should use to make 100 mL of a 0.010 m CuSO4 solution. 
algebra 1
is (0.3) a solution to the equation y=x+3? yes no** is (1,4) a solution to the equation y= 2x yes** no look at the following points (4,0) , (3,1) ,(6,3) , (2,4) which are solutionns to y=x 4? choose all correct answers (6,3)** (3,1) (2,4) (4,0)** 
Find the solution to the system of equations:
Are my answers correct? x2y+z=1 y+2z=2 x+y+3z=3 Solution : 100 010 001 x = 0.429 y = 0.429 z = 0.714 
Science
A solution contain 40 centimetre cube of alcohol mixed with 150 cm cube of water calculate the concentration of the solution 
chemistry
A solution of CaCl2 is prepared by dissolving 1.004 g of the solid in approximately 30 mL of water. How many moles of CaCl2 does this solution contain? 
math
Solve the system by elimination. State whether the system has one solution, infinite solutions, or no solution. x + 3y = –5 4x – y = 6 please help thanks 
Chem
A 0.2 M KOH solution has a volume of 3 L. What percent of water should be evaporated to obtain a 0.6 M KOH solution? The answer I got is, 66.7% 
Chemistry
Why is energy released in order to react two atoms to form a compound? For instance the reaction between sodium metal and chlorine gas is highly exothermic and produces NaCl(s). Meanwhile when an atom loses an electron, it will be endothermic. Can someone try to explain this ... 
Science
Water and gasoline are both clear liquids at room temperature. Describe one physical property and one chemical property that might be used to distinguish between them. Plz help physical:smell chemical: pH value What about density? The density of water is 1.00 g/cc and the ... 
Organich Lab Help Please!!!!!!!!
a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this.  Ethylchloride is less dense so it is the top layer Ethylene... 
science
a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is equal to the volume of ... 
math
The scientists Verhulst (1828) and Peal (1930) proposed the following growth model for a population living in an environment with limited resources (e.g. space, food, sunlight, etc): = , where is the natural growth rate of the population when resources are limited and is a ... 
chemistry
A) If you make up a solution of 50 mL of 0.1 M TRIS in the acid form, what will be the pH? (pka of TRIS: 8.3, molecular wt: 121.1 g) B) if you add 2mL of 1 M NaOH to the solution, what will be the pH? Thank you. 
Chemisty
A solution contains 0.0653g of compound in 8.31g of ethanol. The molarity of the solution is 0.0368m. Calculate the molecular weight of the compound 
college gen chem
A quantity of 16.13 mL of a KOH solution is needed to neutralize 0.4883 g of KHP. What is the concentration (in molarity) of the KOH solution? 
math
A linear system may have a unique solution, no solution, or infinitely many solutions. Indicate the type of the system for th following examples by U , N , or I 7x+3y= pi 4x6y= pi^2 2x+3y= 0 4x+6y= 0 2x+3y=1 4x+ 6y= 1 x+y=5 x+2y=10 2x3y=5 4x6y=10 
chemistry
A SOLUTION OF 0.05METER ACID PKA 6.10 IS MIXED WITH AN EQUAL VALUE 0.1 SODIUM SOLUTION OF SODIUM SALT WHAT IS THE PH OF THE FINAL MIXTURE. 
Chemistry
if an aqueous solution of BA(NO3)2 is added to 1.0 L of a solution containing 0.05 mol F and 0.075 mol SO4 2, which salt will precipitate first? 
Algebra 1a
Solve the following system of equations. x+3y=6 x=83y What is the solution of the system? Type the ordered pair or indicate if there is no solution. Thank you very much 
Chemistry
It takes 56 mL of 0.124 M KOH to neutralize 45.4 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter 
chemistry honors
how many grams of a stock solution that is 85% H2SO4 by mass would be needed to make 150 grams of a 45.0 percent solution? 
Chem 2068 lab
Once I have the molarity for KHP which is 0.0027 M, and i add 14.48 mL of NaOH to the solution, what is the concentration of NaOH in the solution. 
chemistry
describe how would you prepare exactly 500. ml of 1.0 M NaOH solution from a 3.0 stock NaOH solution . show all calculation 
Chemistry
I'm having trouble with molarity. What is the molarity of a KCl solution made by diluting 75.0 mL of a 0.200 M solution to a final volume of 100.0 mL? 
Chemistry
A 327 ML sample of unknown HCI solution reacts completely with Na2CO3 to form 20.1 g CO2 What was the concentration of the HCI solution? 
Chemistry
72.0 ml of a 1.50 M solution is diluted to a volume of 288 mL. A 144 mL portion of that solution is diluted using 185 mL of water. What is the final concentration? 
Chemistry
72.0 ml of a 1.50 M solution is diluted to a volume of 288 mL. A 144 mL portion of that solution is diluted using 185 mL of water. What is the final concentration? 
chemistry
If the solubility of a particular solute is (10 g/100 g H2O) at 20°C, what solution concentration would represent a supersaturated aqueous solution of that solute? 
Chemistry
What is the molarity of CuCl2 solution that completely reacts with 10.0g of zinc , if the volume of the solution is 360mls? Zn(s) + CuCl2(aq) ¨ ZnCl2(aq) + Cu(s) A. 0.42 B. 0.00021 C. 0.21 D. none of these 
Chemistry
1 Determine the [OH] and pH of a solution that is .250 M in HCO3 2 Calculate the [H3O+] and pH of each polyprotic acid solution: a) .125 M H2CO3 b) .125 M H3C6H5O7 
Chemistry
What is the concentration of an acetic acid solution if 11.2 mL of 1.002 Molarity sodium hydroxide solution is needed to completely neutralize 5.1 mL of the acid? 
chemistry
What concentration of ammonia, [NH3], should be present in a solution with [NH4+]= 0.734M to produce a buffer solution with pH= 9.13? For NH3, Kb= 1.8x10^5 
Chemistry
Will a double replacement reaction take place if a solution of sodium hyrdrogen carbonate is added to a solution of sodium chloride? 
chemistry
Determine the Molarity of a 125 mL NaOH solution if upon titration with 5.5 mL of an 2.5 M HCl solution, the end point of the titration was reached 
Chemistry
A solution is prepared by diluting 65.0 mL of 0.175 M methylamine, CH3NH2, to a total volume of 225 mL. Calculate the pH of the diluted solution. Kb (CH3NH2) = 4.40 x 104 
A/P Chem
A student wants to make a 5.00% solution of potassium chloride using .0377 g of the substance.What mass of water will be needed to make the solution? 
AP Chem
It takes 58 mL of 0.124 M KOH to neutralize 34.5 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in unites of moles/liter. 
chemistry
A solution contain 43mEq/L of Cl and 11 mEq/L of HPO4*2. If the only cation in the solution is Na+ what is the Na+ concentration if mEq/L? Can you help me with each step to solve this problem? 
Chemistry
A stock solution is prepared by adding 20mL of 0.2M MgF2 to enough water to make 80mL. What is the F– concentration of 20 mL of the stock solution? 
chemistry
If 215.0 mL of water are added to a 237 mL sample of a 1.702 M dextrose solution, what is the new molarity of dextrose in the resulting solution? 
applied chemistry
A 50.0mL volume of AgNO3, solution contains 0.0285 mol AgNO3 (SILVER NITRATE). What is the molarity of the solution? 
finite math
Determine whether each system of linear equations has a)one and only one solution, b)infinitely many solutions, or c) no solution 2x4y=5 3x +2y=6 
Chem 1010
15.3 g of KCl (MM = 74.55 g/mol) is dissolved in enough water to make 600 mL of solution. Calculate the molarity of the KCl solution. 
chemisttry
how many ml of a 1 M NaOH solution do you need to add to a 250 ml flask and bring it to volume with deionized water to make a 0.12 M NaOH solution 
chemistry
What volume of solution would be needed to deliver the stated amount of solute? 39.0 grams of solute from a solution that is 16.0 % m/v? (anwser in milliliters