For the following reaction: H2CO3 + 2 NaOHNa2CO3 + 2 H2O (1) What is the equivalent mass of H2CO3?  g/equiv (2) Calculate the number of equivalents in 27.1 grams of H2CO3.  equiv

Q: You place an excess amount of Zinc into 25 mL of 0.100 M Hydrochloric acid.  a.)  What is the…

A: The chemical reaction that consists of an equal number of atoms of different elements on both sides…

Q: • How many grans and how many mL of 40.0 wt-% urea solution (density 1.111 g/mL) are required to…

A: The reactions to be considered are,

Q: What are the equivalents of 43.50 milliliters of di(K2Cr207) potassium chromate 0.07 molar

A:

Q: How many mL of 0.742 M HBr are needed to dissolve 8.55 g of MgCO3? 2HB1(aq) + MgCO3(s) → MgBr2(aq) +…

A: Given: mass of MgCO3 = 8.55 g             Molarity of HBr = 0.742 M             Volume of 0.742 M…

Q: 7.5g of acetic acid are diluted to 150 mL with water. What is the molarity of the acetic acid?

A: Given, 7.5g of acetic acid are diluted to 150 mL with water.molar mass of acetic acid =60.0 gmolwe…

Q: How many mL of 0.606 M HBr are needed to dissolve 7.34 g of MgCO3? 2HB1(aq) + MgCO3(s) → MgBr2(aq) +…

A: Given :-  2HBr(aq) + MgCO3(s) →MgBr2(aq) + H2O(l) + CO2(g)  Mass of MgCO3 = 7.34 g  Molarity of HBr…

Q: lab technician prepares a "stock" solution of CuSO4 by adding 79.80g of CuSO4 to enough water to…

A: Provided amount of CuSO4(w)=79.80g Molar mass of CuSO4(m)=159.609g/mol Volume of stock…

Q: Na2CO3(aq) +2HCl(aq)  2NaCl(aq)  + CO2(g) + H2O(l) How many moles are found in 15mL of 4.5M HCl?…

A:

Q: How many liters are in a 0.115 M solution containing 1.55 moles of dissolved KBr? (AKS 5c)

A:

Q: 2. Calculate the [H*], [S²] and [HS] in a solution prepared by dissolving 0.10 mole of HS in…

A:

Q: 1. Refer to the given Solubility Curve (Figure 1), and answer the following 150 140 a) A saturated…

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Q: You need to make 100 mL of 1% Atropine sulfate solution and make it isotonic with sodium chloride…

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Q: of the below steps for the calculation of isotonic solutions with sodium chloride equ rrect? Step3…

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Q: How many volume in liters is required in preparing 1N HCl using 50 grams of it? mwt is 37 g/mole

A: Normality is defined as number of gram equivalent of solute dissolved per litre of solution.

Q: What is the [CH3CH2CH2NH3+] of a solution which is 0.1820 M in CH3CH2CH2NH2 and 0.1716 M in CsOH?…

A: For CsOH solution: CsOH(aq)→Cs++OH- pKb of CsOH = -1.76 Thus,…

Q: calculate stoichiometry; energy and heat in chemical reactions problems 1. C6 H8 O6 is a weak acid…

A: Acid and base when react with each other undergo neutralization reaction and forms salt and water.…

Q: What is the equivalent weight of H2SO4?

A:

Q: How many mL of 0.112M Pb(NO3)2 are needed to completely react with 25.0mL of 0.105M KI? Given:…

A: Introduction: The given chemical reaction is,                                   PbNO32 +2 KI →PbI2 +…

Q: Calculate the amount of KNO3-N required to prepare 100 ppm solution in 250ml volumetric…

A: One gram in one liter is 1000 ppm.  1g in 1000 mL = 1000 ppm 0.001g in 1 L  = 1 ppm 1 ppm = 1 mg/L

Q: For the following reaction: 2 HClO4 + Ca(OH)2  Ca(ClO4)2 + 2 H2O

A: Gram equivalent mass is defined as the ratio of molar mass to acidity( no. of displaceable ions)

Q: What is the percent hydrolysis of a 100.0 mL 0.0520 M NaCN solution if Kw = 1.00x10^-14 and Ka(HCN)…

A: Given,  Volume of NaCN in mL = 100.0 mL  Molarity of NaCN = C = 0.0520 M  Ionization constant of…

Q: 3. Which of the following statement/s is/are correct? I. 3.00 N H2SO4 is equivalent to 6.00 M H2S04.…

A:

Q: If I combined 15.0 grams of calcium hydroxide with 75.0 mL of 0.500M HCl, how many grams of calcium…

A:

Q: What is the [N2H5+] of a solution which is 0.1502 M in N2H4 and 0.1587 M in CsOH? N2H4(aq) + H2O(l)…

A: For solid or liquid , concentration = 1

Q: for a 0.0342 M aqueous solution of aniline, C6H5NH2 (Kb = 7.4E-10), determine the following. Kw =…

A: Given data : The aqueous solution of aniline ( C6H5NH2 ) = 0.0342 M Kb of of  aniline ( C6H5NH2 ) =…

Q: 13. What is the final concentration of zinc oxide, as a percent concentration (w/w), when 15 g of…

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Q: Ghow to know ion cha X I Welcome to Chemist X M Inbox (1,542) - ljmg9 M Inbox (640) - lorcan.…

A: Ksp Equation for the process:

Q: 7.5 g of acetic acid (C2H4O2) are diluted to 150 mL with water. What is the molarity of the acetic…

A: Molarity is defined as  number of moles of solute present in one litre of Solution  M = n/ v (in L)…

Q: On average, the concentration of caffeine in drip coffee is about 0.010 g per 28 mL and in espresso…

A: The mass of solute (in gram) present in 100mL of the solution is known as the m/v percent…

Q: How many mL of 0.548 M HCI are needed to dissolve 7.69 g of MgCO3? 2HCI(aq) + M9CO3(s) MgCl2(aq) +…

A: We have to predict the volume of HCl needed.

Q: Determine the amount of sodium chloride required to prepare 500 ml of a 3M sodium chloride solution.…

A: The molarity of a solution is the ratio between the number of moles of the compound to the solution…

Q: 10 L of a solution that has a concentration of 20%v/v EtOH is mixed with 50 L of a solution that has…

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Q: 1) What is the molarity of a 1.44 (m/v)% solution of HCOOH (formic acid)?

A: The m/v concentration of the HCOOH solution is = 1.44 % The molarity of the solution is =? We know…

Q: Gastric acid pH can range from 1 to 4, and most of the acid is HClHCl. For a sample of stomach acid…

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Q: Barium chloride is reacted with sodium sulfate to produce barium sulfate and sodium chloride. How…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: HW9 #13

A: Lidocaine is used for a local anesthetic and cardiac depressant.

Q: How many mL of 0.567 M HCl are needed to dissolve 5.18 g of MgCO3? 2HCl(aq) + MgCO3(s)  MgCl2(aq) +…

A:

Q: How many mL of 0.468 M HNO3 are needed to dissolve 8.72 g of MgCO3? 2HNO3(aq) + MgCO3(s)-->…

A: Concentration of HNO3 = 0.468M Mass of MgCO3 = 8.72g Calculate the volume in ml.

Q: 5.00x10-2 L of a 0.245 M KC solution using an 6.95 M KCl solution. Express your answer with the…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: 50.0 grams of ba(oh)2 is dissolved in 750g of water calculate %(m/m)

A: % m/m is mass of solute in 100 g solution.

Q: Nitric acid (HNO3) is a strong acid that is one contributor to acid rain. The precursor e nitrogen…

A: 1m3=1000L 1µg= 1×10^-6gm In the above question, HNO3 content is 6.8 µg/m3 it is in 0.30 g=0.30×1000…

Q: How many milliliters of 10.5 M HCl(aq) are needed to prepare 950.0 mL of 1.00 M HCl(aq)? V = mL

A: Given, Stock solution  Concentration of HCl solution (M1) = 10.5 M Volume of HCl solution (V1) = ?…

Q: What is the partial pressure of carbon dioxide in a container that holds 5 moles of carbon dioxide,…

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Q: INazCO3 HC 33% 1.2 cq. CuHa Cl 210g. 0-Seq. 200g

A: In every chemical reaction, reactants react to form the products. The reactant which gets used up…

Q: OR -6. 20 grams of marble chips were placed flask. Which one of the following would you si0. obtain…

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Q: aneah needs to make 350.0 mL of a 0.150 M H2SO4 solution. What volume (in mL) of concentrated H2SO4…

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Q: C7H21O4NHCl(aq) + NaOH(aq) ---> C17H21O4N(aq) + H2O (l) + NaCl(aq) When a 25mL of aqueous solution…

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Q: A cough medicine contains 0.20% (w/v) dextromethorphan, a cough suppressant, and 2.2% (w/v)…

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Q: A saturated solution of KNO3 was prepared at 25° Cby dissolving 12.050 g KNO3 in water and the total…

A: Given: Mass of KNO3 = 12.050 g The volume of solution = 10.5 ml = 10.5 ×10-3 L Temperature = 25° C…

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A: When the concentration of solute in cell is equal to the concentration of solute of the environment…