a density of 1.0 M solution of NaCL
29,493 results, page 44

Chemistry
It says prepare a theoretical titration of 25 mL of 0.1037 M formic acid (HCOOH; pKa= 3.75) solution (diluted to 100mL volume with deionized water) by 0.0964 M solution of KOH. It asks to determine the volume of KOH solution needed to reach equivalence point. But I don't even ... 
calculus
Please help with this question. I have a general solution to a differential equation of 18y^3/2= TOP LINE OF FRACTION is 2(x^26x+23)^3/2 and this is divided by 3.plus Constant .I work out constant c to be zero. Is this correct? What is the particular solution for which y=2 ... 
precalculus
solve the following logarithmic equation. be sure to reject any value of x that is not in the domain of the original logarithmic expression. give the exact answer. then, use the calculator to obtain a decimal appromiation, correct to two decimal places, for the solution. In x=... 
Chemistry
10.00 mL of an unknown base solution is titrated with .100 M HCl solution. The pH versus the volume of NaOH added is shown below. There is a graoh where there are two dotted lines signifying a pH: the highest at pH 6.31 and the lower at pH 3.92. What is the pOH pf the solution... 
Chemistry
Mercury and bormine react with each other to produce mercury(II)bromide: Hg + Br2 > HgBr2 a) What mass of HgBr2 can be produced from the reactiion 10g HG and 9g Br2? [the part that really confuses me] What mass of which reagent is left unreacted? b) What is the mass of ... 
Chemistry
Human bodies maintain their balance (homeostasis) through a series of equilibria. An important equilibrium involves calcium ion because Ca2+ is important for muscle contractions in the heart as well as for strong bones. Bone is a complex tissue consisting of living cells and ... 
Biology
In a lab experiment, we experimented with 1% glucose solution and Sorenson's solution to determine pH levels and whatnot; the other part of the lab was to determine which one, if either, was a buffering solution. According to the notes my instructor gave us, a buffers are ... 
Algebra
Suppose that x liters of 40% acid solution are mixed with y liters of a 43% solution to obtain 100 L of a 41% solution. One equation in a system for solving this problem is x + y = 100. What is the other equation? 
chmistry
When 0.633 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 103C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant figures. Do not ... 
chemistry
CH3NH2(aq)+H2O(l)=>CH3NH3+(aq)+OH(aq) Kb=4.4 x 10^4 Methylamine, CH3NH2, is a weak base that reacts with water according to the equation above. A student obtains a 50.0 mL sample of a methylamine solution and determines the pH of the solution to be 11.77. (a) Write the ... 
AP Chemistry
CH3NH2(aq)+H2O(l)=>CH3NH3+(aq)+OH(aq) Kb=4.4 x 10^4 Methylamine, CH3NH2, is a weak base that reacts with water according to the equation above. A student obtains a 50.0 mL sample of a methylamine solution and determines the pH of the solution to be 11.77. (a) Write the ... 
math
Describe the number of solutions for the equation. 13. 3(x – 3) = 3x one solution no solution infinitely many solutions 14. –2(y – 3) = 2y – 6 one solution no solution infinitely many solutions 
chem
An aspirin tablet weighing 0.475 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved the tablet in hot NaOH and the cooled solution was diluted with DI water to the mark in a 250 mL volumetric flask. Exactly 3.00 mL of the solution was ... 
chem
True/false 1. will addding a strong acid (HNO3) to a solution that is 0.010M in Ag(NH3)2(^+) will tend to dissociate the complex ion into Ag+ and NH4+ 2.adding a strong acid (HNO3)to a solution that is 0.010M in AgBr2(^) will tend to dissociate the complex ion into Ag+ and Br... 
Chemistry Concept
Is it physically possible to separate table sallt, sodium chloride, NaCl, from table sugar, sucrose? Explain your reasoning. 
Chemistry
A 2.4375 g sample containing a mixture of KClO3 and NaCl is heated and under goes a mass loss of 0.6191 g. What is the percent of KClO3? 
Chemistry
2g NaHCO3 + .6 mL HCL > NaCl+CO2+H2O How much carbon dioxide do I get? How do I find out? I got 410 mL of CO2, is this correct? 
chemistry
if i have two salts KCl and NaCl can I say that KCl conducts more electricity because it has an cation with lower ionization energy 
chemistry
Calculate how many grams of the first reactant are necessary to completely react with 55.8g of the second reactant. Na2CO3 + CuCl2 → CuCO3 + 2 NaCl 
CHE107
It's a very simple questions but confusing. How many atoms in a mole of NaCl? Is it the avogardo's number *2 or is it 2 atoms....Please clarify answer. Thnx 
Chemistry
What is the concentration in each of the following solutions? A) 240 mL of 0.200 M KNO3 is added to 160 mL of water. B) 2.25g of NaCl is dissolved in 250 ml of water. 
Chem
Which of the following solutions of strong electrolytes contains the largest # of moles of chloride ions: 100.0 mL of 0.30 M AlCl3, 50.0 mL of0.60 M MgCl2, or 200.0 mL of 0.40M NaCl? What formula is used? 
ap
Which of the following is best described as an acidbase reaction? 1. NaCl + AgNO3 !NaNO3 + AgCl 2. NH3 + H2O ! NH+ 4 + OH− 3. 2HgO ! 2 Hg + O2 4. Ca + 2H2O ! Ca(OH)2 + H2 5. KCl + NH4NO3 ! KNO3 + NH4Cl 
TO DrBob222 or any science helper
identify the following formulas as acids, bases or salts: HCH3COO NaCL H2CO3 C6H8)7 Mg(OH) NaOH KBr Sr(OH)2 HNO3 please help really urgent :) thanks :) 
Chemistry
The lattice enthalpies of NACL KCL and AGCL are 787,717 and 916 kj/mol; based on these values , arrange them in increasing order of water solubility and explain the answer. 
chemistry URGENT
I need someone to check my answers to make sure that I have the correct answers. (3 Part Question) Two students each measure the density of a quartz sample three times: Student A Student B 3.20 g/mL 2.82 g/mL 2.58 g/mL 2.48 g/mL 2.10 g/mL 2.59 g/mL mean 2.63 g/mL 2.63 g/mL 1. ... 
Chemistry
In a volumetric analysis experiment, a solution of sodium oxalate in acidic soltuion is titrated with a solution of potassium permanganate according to the following balanced chemical equation: 2KMnO4+8H2SO4+5Na2C2O4 > 2MnSO4+8H2O+10CO2+5Na2SO4+K2SO4 What volume of .0239 M... 
holy school
H2 S + HNO3 > NO + H2 O + S 150 g of hydrogen sulfide are dissolved in 3500 mL of water. a. What is the molarity of the hydrogen sulfide solution? b. How many grams of sulfur can be produced from 50 mL of this solution? c. 22.4 L of nitrogen monoxide gas are ... 
Chemistry
A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.55M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.9g .Find the mass of Cr3+ in the original solution. 
chemistry
You have a solution that contains 0.25g grams of oxalic acid dissolved in 100 mL of water. This solution is placed in a separating funnel, and the 100 mL of butanol is added to the solution. calculate the mass of oxalic acid in the organic solvent 
chemistry/math
The density of air at ordinary atmospheric pressure and 25°C is 1.19 g/L. What is the mass, in kilograms, of the air in a room that measures 12.0 ft 12.5 ft 7.3 ft? i made ft^3 into Liters and got 8,346,211.799 then I made the grams into kilograms and set up density = mass/... 
Chemistry
A solution is prepared by adding 45.0g of Na2SO4*6H2O to pure water to make 150mL of solution. What are molar concentrations of these ions in the resulting solution? Sodium Ion? Sulfate Ion? Phosphate Ion? I've determined the solution is 1.2M 45/250.16g/mol Na2SO4*6H2O = .180 ... 
Algebra
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the same value will be a ... 
biology a
Read the scenario. A cell contains 90% water and 10% salt. The external solution contains 75% water and 25% salt. Which statement is correct? A>> The external solution is hypotonic, so the cell will shrink B>> The external solution is hupotonic, so the cell will ... 
Science
Name one physical property and one chemical property that you could use to distinguish between water and gasoline. Write down, on a sheet of paper, three or four physical properties. Place them in a column. On another column write three or four physical propertis of water. ... 
Chemistry
1. Sugar can be dissolved in water because of the presence of bonds between _______ in its molecule. 2. If the maximum amount of a compound that can dissolve in 100 mL of water is 22 g, then a solution of 20 g of that substance in 100 mL of water is said to be _______. 3. A ... 
Chemistry
1. Sugar can be dissolved in water because of the presence of bonds between _______ in its molecule. 2. If the maximum amount of a compound that can dissolve in 100 mL of water is 22 g, then a solution of 20 g of that substance in 100 mL of water is said to be _______. 3. A ... 
Physics
A piece of metal weighs 51.8 N in air, 37.2 N in water, and 42.6 N in an unknown liquid. Find the density of the metal. Answer in units of kg/m^3 Find the density of the unknown liquid. Answer in units of kg/m^3 
physics help 2 please!
The air inside a hot air balloon has an average temperature of 84.3°C. The outside air has a temperature of 15.3°C. What is the ratio of the density of air in the balloon to the density of air in the surrounding atmosphere? inside / outside = ?? 
chemistry
The concentrated H2SO4 of 155g dissolved in enough amount of water if acidic solution is 2.3L a) what is the mole of H2SO4 b) what is the concentration H2SO4 c) what is the concentration of H+(H3O+) created in the solution d) what is the PH value of solution e) what is the ... 
General Chemistry
A 1.50 rubber balloon balloon is filled with carbon dioxide gas at a temperature of 0.00 degrees celsius and a pressure at 1.00 atm. The density of carbon dioxide under these conditions are 1.98 g/L. At 50.0 degrees celsius, the balloon has a volume of 1.78 L. Calculate the ... 
alegebra
Solve the system of equations by graphing. Then classift the system as consistent or inconsistent and the equations as dependent or independent. 3xy=14 3x+4y=26 What is the solution of the system of equations? Type an ordered pair.N for no solution R for the solution if real... 
Chemistry
Ok, I think I have this one but can you please check my work? A nationally known company markets a product called "cleaning vinegar" that is not designed for human consumption. What is the Mass Percent of acetic acid (HC2H3O2) in this product, if 25 drops of .683 M NaOH ... 
Chemistry
PART A) Suppose that 6.9 mL of 2.5 M KOH(aq) is transferred to a 250 mL volumetric flask and diluted to the mark. It was found that 32.8 mL of this diluted solution was needed to reach the stoichiometric point in a titration of 6.9 mL of a phosphoric acid solution according to... 
chem
a.)How many moles of NaOH are required to prepare 2.00L od 0.380M solution? answer is 0.760 mole of NaOH (mole/l * 2.00L) b.)What will be the molarity of a solution if 3.50 g of KOH are dissolved in water to make 150.0 mL of solution? answer is 0.52 M KOH (gKOH/molar mass KOH=... 
chemistry
the titration of 25.0 mL of a 0.040 M aqueous solution of maleic acid C2H2(COOH)2, with aqueous 0.10 M NaOH solution. For maleic acid, Ka1 = 0.013 and Ka2 = 8.5 x 107 How many milliliters of the 0.10 M NaOH solution are needed to completely react all the maleic acid in 25.0 ... 
chemistryurgent
Silver nitrate is added to a solution and precipitate forms. This precipitate dissolves when concentrated ammonia is added. What anion was present in the original solution? I don't know how to answer this. Also can someone please explain how to identify a cation and anion in a... 
English
Which of the following sentences is punctuated correctly? Most of Alaska averages a population density, of under, 3 people per square, mile Most of Alaska averages a population density of under 3 people per square mile. Most of Alaska, averages a population density, of under 3... 
UIC
Given a diprotic acid, H2A, with two ionization constants of Ka1 = 3.57× 10–4 and Ka2 = 3.14× 10–12, calculate the pH and molar concentrations of H2A, HA–, and A2– for each of the solutions below. (a) a 0.182 M solution of H2A (b) a 0.182 M solution of NaHA (c) a 0.... 
Chemistry
When 32.0 mL of 0.560 M H2SO4 is added to 32.0 mL of 1.12 M KOH in a coffeecup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted. (Assume that the total volume is the sum of the individual volumes and ... 
Chemistry
A standard KHP solution is made by dissolving 2.12 grams of KHP in 100.00 mL of water. The KHP solution is then titrated with NaOH solution. It takes 23.12 mL of NaOH to reach the endpoint. What is the concentration of the NaOH? 
physics
A rod of length L has a varying density along its length that satisfies: λ(x) =((x^2/L^2)+1)λo where x = 0 is one end of the rod (which has density λo), and x = L is the other end (which has density 2λo). a. Find mass of the rod in terms of L and λo. b... 
chemistry
A 31.0 mL solution of 0.155 M iron (III) perchlorate is prepared. This solution is then titrated with 27.1 mL of 0.250 M potassium hydroxide. What is the concentration of iron (III) perchlorate that remains in the solution? 
Chem
Copper(I) chloride has Ksp = 1.7 × 107. Calculate the molar solubility of copper(I) chloride in (a) 0.0858M HCl solution (b) 0.419 M HCl solution (c) 0.653 M CaCl2 solution 
Algebra
Chandra has 2 liters of a 14% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 7 liters of a 34% solution? 
chemistry
A stock solution of HNO3 is prepared and found to contain 11.1 M of HNO3. If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L, the concentration of the diluted solution is ________ M. 
algebra
the discriminant of a quadratic equation is 5 which answers describes the number and type of solution of the equation? 2 complex solutions < 1 real solution 1 complex solution 2 real soultions 
chemistry
a room is 18ft long, 15ft wide and from floor to ceiling is 8ft6inches. what is the rooms volume in cubic meters? i have 6.498716 is this correct? what is the mass of air in the room in kilograms assuming the density of the air is 1.2g/l and the room is empty of furniture. i ... 
chemistry
If you were to dissolve 14.00 grams of salicylic acid in enough water to make 400.00 mL of solution, what is the molarity of the final solution? i did M = moles/L so .1014 mol/.4000L = .2535 M is this correct?? The next part of the question is Now you take 50.00 mL of this ... 
Chemistry
You have an unlimited amount of 12M HCl stock solution. You need to neutralize 2.00 grams of NaOH by slowly adding 0.100M HCl solution. How will you prepare the proper amount of hydrochloric acid solution to add to the beaker of sodium hydroxide using a 500 ml volumetric flask. 
chemistry
PLEASE SHOW PROCEDURE! You wish to prepare an aqueous solution that has a freezing point of 0.100 degrees Celsius. How many milliliters of 12.0 M HCl would you use to prepare 250.0 mL of such a solution? [Hint: Note that in a dilute aqueous solution, molality and molarity are... 
chemistry
The pH or acidity of liquid is measured in pH, where pH is given by the equation pH= log C, with C being the concentration of [H+] in multiples of M=1mol/L. Suppose you are given a solution of hydrochloric acid with a pH of 1.7 and asked to increase the pH solution by 1.4. ... 
math
The pH or acidity of liquid is measured in pH, where pH is given by the equation pH= log C, with C being the concentration of [H+] in multiples of M=1mol/L. Suppose you are given a solution of hydrochloric acid with a pH of 1.7 and asked to increase the pH solution by 1.4. ... 
chemistry
A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine the delta H (in units... 
journal assignment
how many liters of a 10%solution of acid should be added to 20 liters of 60%solution of acid to obtain a 50%solution? 
Math
How do you solve for this:how many gallons of a 10% alcohol solution be mixed with 20 gallons of a 10% acid solution to obtain an 8% acid solution. 
algebra
How many liters of 20% alcohol solution should Maria mix with 50 liters of a 60% alcohol solution to obtain a 30% solution? 
Math
How many gallons of 15% iodine solution should be mixed with 40% iodine solution to make 100 gallons of a 20% solution? 
Chemistry
The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M LiOH solution. What is the concentration of the H2SO4 solution (in M)? 
Chemistry
You have a stock solution of 5.0 M H2SO4. How many mL of stock solution are required to make 136 mL of 1.6 M H2SO4 solution 
chemistry
The neutralization of 27.3 mL of an unknown concentration H2SO4 solution requires 72.2 mL of 0.12 M LiOH solution. What is the concentration of the H2SO4 solution (in M)? 
chemistry
The neutralization of 27.3 mL of an unknown concentration H2SO4 solution requires 72.2 mL of 0.12 M LiOH solution. What is the concentration of the H2SO4 solution (in M)? 
chemistry
The neutralization of 27.3 mL of an unknown concentration H2SO4 solution requires 72.2 mL of 0.12 M LiOH solution. What is the concentration of the H2SO4 solution (in M)? 
college algebra
How many gallons of a 30% alcohol solution must be mixed with 60 gallons of a 14% solution to obtain a solution that is 20% alcohol 
chemistry
Calculate the pH of 0.3 M HCl solution. Calculate the pH when 100 mL of a 0.5 M solution of NaOH are added to 300 mL of the HCl solution. 
Chemistry
1.Write a mathematical equation that can be used to calculate the concentration of the HCl solution after the standardization procedure (Titration #1). 2. Using LeChatelier’s principle, predict whether [OH] in the calcium hydroxide/0.050 M NaOH solution is expected to be ... 
Chemistry
Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of hydrogen peroxide, , can be titrated against a solution of potassium permanganate, . The following equation represents the reaction: 2KMnO4+H202> ... 
Physics
A hotair balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot air inside the balloon ... 
Physics
A hotair balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot air inside the balloon ... 
Physics
A 10cm times 10cm times 10cm wood block with a density of 700kg/m^{3} floats in water. What is the distance from the top of the block to the water if the water is fresh? weight= density*volume*g weight=700*(0.001)*9.81 weight=6.86newton weight=densitywater*g*10cm*10cm*depth 6.... 
Chemistry
the lead (II) nitrate in 25.49 ml of a 0.1338M solution reacts with all of the aluminum sulfate in 25.00 ml solution. What is the molar concentration of the aluminum sulfate in the original aluminum sulfate solution? For a question like this how do I find out it is a 3:1 ratio... 
chemistry
Read the scenario. A scientist needs to dissolve a solid in a liquid as quickly and efficiently as possible. Which two methods should she use to get the desired result? heat the solution and use larger chunks of the substance heat and stir the solution cool and stir the ... 
Calculus III
Find the moment of inertia about a diameter of s spherical shell of uniform density, D, bounded by two concentric spheres of radii a and b, where a<b. Express your answer in terms of a, b and the mass of the spherical shell. So far I have found my equation for row (p), and ... 
Chemistry
How to prepare 10% sucrose solution enriched with 0.1% phenylalanine? And also how to make the stock solution of phenylalanine for the above process. I have prepared 10% sucrose solution by adding 10g sucrose in 100ml water , but how do i make 0.1% phenylanine in 10% sucrose ... 
Math (Algebra)
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both... 
Chemistry
A solution of calcium nitrate, Ca(NO3)2, reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride, CaF2, and ammonium nitrate, NH4NO3(aq). When 45.00 mL of 4.8724 x 101 M Ca(NO3)2 solution was added to 60.00 mL of 9.9981 x 101 M NH4F solution, 1.524 ... 
Chemistry
A solution of calcium nitrate, Ca(NO3)2, reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride, CaF2, and ammonium nitrate, NH4NO3(aq). When 45.00 mL of 4.8724 x 101 M Ca(NO3)2 solution was added to 60.00 mL of 9.9981 x 101 M NH4F solution, 1.524 ... 
math
You are a lab technician and must create 250 ml of a 17% saltsolution. a. If you have 500 ml of 28% saltsolution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% saltsolution? b. If you have 400 ml of 40% saltsolution, how many ... 
Calc
You are a lab technician and must create 250 ml of a 17% saltsolution. a. If you have 500 ml of 28% saltsolution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% saltsolution? b. If you have 400 ml of 40% saltsolution, how many ... 
chemistry/check my work I have to submit today
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ... 
Chemistry
A student must make 500 mL of a 1.5 M HCl solution. The student has plenty of water and a stock solution of 6.0 M HCl to use. What volume of the 6.0 M HCl solution must be added to what volume of water to make the desired 500 mL of 1.5 M solution? I don't really know how to ... 
Chem.
Can you also check this one, Please and thankyou! 23. Acetylsalicylic acid, commonly known as ASA, is the most widely used drug in the world. ASA has the chemical formula, C8H7O2COOH, and a Ka of 3.27 X 10 – 4 mol/L. What is the pH of a 10 mol/L ASA solution? The pH of the ... 
Chemistry
24.5 ml of water are added to a 1.20 molar solution of nitric acid. If the concentration decreases to 0.55 molar, what volume of the concentrated solution was used? 1.20 M x mL = (24.5 mL + mL) x 0.55 M Solve for mL. Check my thinking. When you finish the calculation, check it... 
chem
when an aqueous solution BaCl2 is mixied with an aqueois solution of Na2CO3, solid barium carbonate precipitates out of solution. write molecular equation, complete ionic equattionand net equation. is this the right formula?? BaCl2(aq)+Na2CO3(s)=BaCO3(s)???? 
Chemistry
If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formulas and states of all products. Separate by comma. If there is no reaction, enter the formula and state of all ions in solution. CoCl2(aq) + NaOH(aq) → 
AP Chem
I had to do an experiment to calculate the enthalpy of solution of Epsom salts. I'm stuck on how to calculate the amount of the reactant in moles. Here's some preliminary data: 37.58 g of Epsom salts in the solution Molar mass of solution: 246.48 g/mol I'm not sure what to do ... 
Science ms. Sue please help!
How would you prepare 100.0 mL of 0.07500 M AgNO3 solution starting with pure solute? 2. An experiment calls for you to use 250 mL of 1.0 M HNO3 solution. All you have to available is a bottle of 6.0 M HNO3. How would you prepare the desired solution? 
Chemistry
What is the molarity of a 5.00 x 102 ml solution containing 2490 g of KI? How many moles of LiF would be required to produce a 2.5 M solution with a volume of 10.5 L? How many grams of NaI would be used to produce a 2.0 M solution with a volume of 10.00 L? Very confused on how... 
Chemistry
Cynthia combines 1.7 grams of Silver hydroxide with 234 ml of a 1.2 M solution of HBr. Assume all the silver hydroxide dissolves once it is in solution(which is technically not the case, but for this example, just go with the flow of it). What will be the final pH of the ... 
chemistry
How many grams of O_2(g) are needed to react completely with 3.95 g of H_2(g) according to the following balanced chemical equation: 2H_2(g) + O_2(g)> 2H_2_O(g) Molarity (M) is the number of moles of a solute per 1 L of solution> M= (mol solute)/(L solution). How ...