Compute the 6 mass of a solution containing 5g sodium chloride in 150g solution? What is the molality of the solution. What is the mole fraction of Sodium chloride?

Q: A 40.0% by mass solution of HC1 has a density of 1.198 g/mL. Determine the molarity and molality of ...

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Q: Calculate the % relative error if the true value is 25.00% Cu. (A) 0.47% (B) 0.29% -1.0% D -1.2% Cal...

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Q: The total number of binary collision of molecular oxygen in a vessel at 25degree celcius 2 atm in 15...

A: Given : Temperature = 25 degree celsius = 298 Kelvin Pressure = 2 atm  Time = 15 sec Molecular weigh...

Q: A certain element consists of two stable isotopes. The first has a mass of 113 amu and a percent nat...

A: To find out the mass of the element, multiply both mass of isotopes and their natural abundance. You...

Q: greatest percentage by mass of

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Q: The following reaction has a percent yield of 93.8%. How many grams of carbon dioxide are produced f...

A: Calcium carbonate reacts with nitric acid to form calcium nitrate, water, and carbon dioxide. The eq...

Q: Identify the conjugate acid-base pairs in the following reactions:    HNO2(aq)       +          H2O...

A: An acid base pair which differ only by one proton called as conjugate acid base pair

Q: Choose the answer which gives the concentration of each ion present in the solution formed by mixing...

A: Hence 4th option is correct that is [ Al3+] = 0.258 M; [SO42-] = 0.387 M; [ Mg2+ ] = 0.216 M: [NO3- ...

Q: ) A 1.20 gram sample of ammonium phosphate is dissolved in 100. mL of water. The solution is poured ...

A: The balanced equation is 2(NH4)3PO4 (aq) + 3 Mg(NO3)₂(aq) --> Mg3(PO4)₂ (s) + 6NH4NO3(aq) Net ion...

Q: QUESTION 6 Ribose , C5H1005 can be classified as a(n) A) nonelectrolyte B) solid C) weak electrolyte...

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Q: Draw the structure for 2-chloro-4-methylhexanal A What is the IUPAC name of the compound shown below...

A: IUPAC nomenclature is used for naming the organic compounds as per recommendation of international u...

Q: Compute the molecular formula of the following a. 80% C and 29% H and molecular mass of 30 amu b. 83...

A: Given,  (a). Given,  Mass percentage of C = 80%  Mass percentage of H = 20%  Molecular mass of the c...

Q: 7. Draw three valid Lewis structures for HNPH and predict the most likely HNP and NPH bond angles. E...

A: In Lewis Structure  all the octet of atoms are complete but phosphorous Do not follow any octet rule...

Q: If the osmotic pressure of a 8.25×10-2-M aqueous solution of CaCl2 was found to be 5.41 atm at 20°C,...

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Q: Shown is the GHS label of concentrated hydrochloric acid. What is the MOST important step in minimiz...

A: The given symbol is indicative of one of the  hazardous nature of the supplied chemical entity.

Q: CH4 + O2 → CO2 + H2O a. Balance the equation. b. How many moles of CO2 are produced from 10 moles ...

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Q: 1. a) Explain (i.e dictionary definitions alone will not be sufficient) what you understand by the t...

A: a) Explain terms - A) Atomic Number - Atomic number, the number of a chemical element in the periodi...

Q: Calculate [H3O*]equilibrium in a solution that is 0.10 M in NaF and 0.20 M in HF. Ka for HF = 7.2 x ...

A: Answer: HF is a weak acid. When added in water it will dissociate partially to give hydronium ion an...

Q: A carbonated beverage was found to have a hydrogen ion concentration of 3.67x 104 mol/L. What are th...

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Q: A seizing patient needs an emergency injection of 10.0 mg of diazepam (C16H13N2OCI; note: the last a...

A: ★ Answer : 1.755 mL of diazepam should be administered.

Q: Given the Frost-Ebsworh diagram for uranium: 1. Which is the most thermodynamically stable? 2. Wh...

A: After seeing the Graph we Can Concluded that:

Q: From the given starting material provide a reasonable synthetic route to the following plecule. O,N.

A: Here we have to prepare the given compound from the starting material 2-methylbuta-1,3-diene in mult...

Q: Complete the table below for calculating the molar mass of the ionic compound lead(II) fluoride . Fo...

A: A numerical problem based on mole concept that is to be accomplished.

Q: Question 10. Based on the electrostatic potential surface (EPS) maps of indole, benzene and pyridine...

A: The answer is given below

Q: 3. What is the potential of an iron electrode under standard reversible conditions relative to a sat...

A: The standard reduction potentials for the given half cells consisting of iron electrode and standard...

Q: Enough of a monoprotic weak acid is dissolved in water to produce a 0.0178 M solution. The pH of the...

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Q: Aluminum metal reacts with chlorine gas to form solid aluminum chloride, AlCl3. If 100.0 g of alumin...

A: Number of moles is calculated by dividing given mass with molecular mass.

Q: 1. Give IUPAC names for the following compounds: (a) (b) CH3 H2C=CHCHCCH3 CH3CH2CH=ĊCH2CH3 CH3 CH3 C...

A: 1. Sol :- Since you have asked multiple questions, we will solve the first question for you. If you ...

Q: Calculate the freezing point of a solution of 1.95 g of naphthalene (C10H8) in 15.50 g of benzene. T...

A: This is a depression of freezing point or lowering of freezing point problem. This lowering of the f...

Q: How will you know which ions to include in the net ionic equation of NaCl(ag)+ AgN03(aq) -> AgCI(s) ...

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Q: 2. What is the resulting isotope after the synthesis of alpha with 238U92? Write the complete synthe...

A: The symbol of an alpha particle is 4He2 .

Q: What document may contain useful information about the hazards of a chemical? (A) Course syllabus (B...

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Q: What product is formed when the alcohol is oxidized with K2Cr2O7? In some cases, no reaction occurs ...

A: This question belong to Reagents (Oxidation-Reduction Reaction) . K2Cr2O7 are the Powerful Oxidising...

Q: What is observed when neutralization occurs?

A: Neutralisation : Neutralisation is the process in which acid and base reacts to form water and salt....

Q: A compound is found to contain 52.13 % carbon , 13.15 % hydrogen , and 34.72 % oxygen by mass. To an...

A: Answer :-  1) Empirical formula of the compound = C2H6O  2) Molecular formula of compound = C2H6O  -...

Q: A compound of bromine and fluorine is used to make UF6, which is an important chemical in processing...

A: Mass percentage of bromine is 58.37% Moles of bromine and flourine and emperical formula is calculat...

Q: Which one of the following 1.0 M solutions would have the lowest pH? Weak Base 1.7 x 10-9 A) C,H,N H...

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Q: What is the major organic product of this reaction? Type its systematic IUPAC name in the box below....

A: We have find out the major product

Q: Classify the following substituents according to whether they are electron donors or electron accept...

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Q: Unit cell) calculate atomic radius in picometers; not sure how to get volume or side length if I eve...

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Q: 5b. The Standard Molar Enthalpy of Formation (AH° f ) of hydrogen cyanide, (HCN(g)), cannot be deter...

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Q: What are the

A: Solute can be defined as a substance that get dissolved into solvent. For example-, sugar  solute ge...

Q: A 12.345-g sample of a solid mixture, containing both sodium hydroxide (NaOH) and sodium hydrogen ca...

A: For the produced CO2 gas,  Volume, V = 1.171 L Temperature, T = 23.3 °C                          = (...

Q: At 25.0 °C the Henry's Law constant for carbon dioxide (CO,) gas in water is 0.031M/atm. Calculate t...

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Q: 200 180 160 140 120 100 80 60 40 20 CDS-43-540 pm

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Q: What was the function of the anhydrous calcium chloride? Illustrate this function by completing this...

A: Drying agent is also called a desiccant, which removes water or moisture from the atmosphere.

Q: The following reaction was carried out in a 3.00 LL reaction vessel at 1100 KK:   C(s)+H2O(g)⇌CO(g...

A: Please find your solution below : Reaction quotient of a chemical reaction in chemical thermodynamic...

Q: The [H,O'] is 3.39 × 10“M for an unknown acid HA. Write the expression for K, for this acid based on...

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Q: A 0.478 g sample of an unknown strong base is dissolved in 50.0 mL of water and titrated with a 0.13...

A: When acid and base combine with each other then they form salt and water. The reaction is called Neu...

Q: O2 (g) CO: (g) H:O (1) CH6 (1) ->

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