Why should we do a standardization every time we do a titration?

Q: ie major produc Ignore inorganic byproducts. TSOH, H2O + OH Select to Edit ОН

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Q: Noble Gases

A: Noble gases are defined as a group of rare gases which include helium, neon, argon, krypton, xenon, ...

Q: one Group 2 two Compound A Compound B Compound C three H CH,CH, H CH,CH, H,CH,C Br Brm F I H,CH,C fo...

A: Enantiomers : are the non-superimposable mirror images. If the total inversion of all the chiral cen...

Q: 5. Give the balanced molecular equation for the reaction of sodium chromate (Na2CrO4) solution with ...

A:   • We need to write the balanced molecular equation for the reaction of sodium chromate with alumin...

Q: 10.11 Write equations for the following processes, noting appropriate conditions: (a) electrolysis o...

A: As per the rules only the first three sub-parts of a question can be answered. Please repost the oth...

Q: How many moles of H2(g) are generated by the complete reaction of 0.145g of Mg(s) with excess HCl(aq...

A: The balanced reaction is ., Mg (s) + 2HCl (aq) ----> MgCl2 (s) + H2 (g)  

Q: Čalculate the mass of 1.92 x 1018 atoms of Mg. O 2.73 x 10 10 g O 8.96x 10:5 g O 1.62 x 10-4g O 7.75...

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Q: How many grams of pyrazine (C4H4N2) would have to be dissolved in 1.50 kg of carbon tetrachloride to...

A: Colligative properties: The colligative properties are those properties of solutions that depend on ...

Q: Cosmetics are composed of different ingredients that function and maintain marketable quality. ensur...

A: Cosmetics are composed of different ingredients that ensure function and maintain marketable quality...

Q: What is the atom ratio between C and H in C2H5OH? O 1/5 2/6 2/5 2/1

A: In C2H5OH ; here number of carbon is 2 and number of hydrogen is 6

Q: A mixture of gases is at equilibrium: C2H6 (g) → C2H4 (g) + H2 (g) ∆H = 136.94 kJ (a) Does the equ...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: Consider the following reaction: 2 ClF (g) → Cl2 (g) + F2 (g) Assume that an experiment is carried ...

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Q: When methane, CH4, is burned, 50.1 kJ of energy per gram are released. When propane, C3H8, is burned...

A: Answer: In the question, calorific values of propane and methane are given and with the help of that...

Q: hen 20.5 g of Mg reacts with an excess of FeCl3, 25.9 g of Fe is produced. What is the percent yield...

A: Given : We have to calculate the percentage yield of the reaction.

Q: A compound of potassium had the following percentage composition: K 28.73%; H 1.481%; P 22.76%. The ...

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Q: + 250 ) -->16 Co2() 18 a den Sity of 0-70 ow mang molecules of oxalgen gas f liquid Octome has a

A: Given : We have to calculate the molecules of oxygen.

Q: given a diluted acid solution that was tested by another student. They were supposed to make a solut...

A: Given: your experimental data matched the test but not the target concentration.  

Q: An electroplating solution is made up of nickel(II) sulfate. How much time in minutes (DON'T INCLUDE...

A: Given,  Mass of Nickel (W) = 0.500 g Current (C) = 3.00 A Time (t) = ? minute

Q: If a 1.065 g sample of magnesium oxide of 84.736% were treated with 50 mL of 1.017 N sulfuric acid, ...

A: Given: MgO is being titrated using sulfuric acid. Normality of titrant i.e. H2SO4 = 1.017 N  

Q: The overall spin operator is represented with S and can be decomposed in how many spin projector ope...

A: As this overall spin operator can be decomposed into 3 different parts.

Q: (e)

A: Complete solution is given below in next step with these conformation.  

Q: The heat of fusion AH, of tetrahydrofuran (c,H,0) is 8.5 kJ/mol. Calculate the change in entropy as ...

A:  Hf = 8.5 kJ/ mol T = —108.5 ° c = —108.5 + 273. 15° C = 164.65 k  

Q: How many bananas are in 0.10 moles of bananas? 3.0 x 1023 3.0x 10 21 6.0 x 1022 6.0x 1024

A: Given,  Moles of bananas = 0.10 moles To find, molecules of bananas?? 

Q: 3A + 8B → C + 5D [D] (M) [A] (M) 55.3 41.2 35.8 21.9 11.6 Time (sec) 0.74 1.88 7.16 19 32 12.04 61 1...

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Q: Shonld be mixed rith s.0 lth pH 10.00? 9-13 How mony grams of maco, (Fm 1o5.9) 5.009 g buffer hith p...

A: Volume of buffer solution = 100 mL pH =  10.00

Q: The chemical formula for strontium sulfide is SrS. A chemist measured the amount of strontium sulfid...

A: Mass of SrS = 6.7  g  Number of moles of SrS = ? 

Q: Write the rate equation, showing the dependence of rate in reactant concentrations, for each of the ...

A: The rate of the formation of the product or the rate of disappearance of the reactants is known as t...

Q: For the following reaction at a certain temperature H₂(g) + F₂(g) ⇌ 2HF(g) the equilibrium concentra...

A:

Q: ꜱᴜᴘᴘᴏꜱᴇ ᴛʜᴀᴛ ᴛʜᴇʀᴇ ᴀʀᴇ ꜰᴏᴜʀ ᴄᴏʟᴏʀᴇᴅ ᴄᴀɴᴅɪᴇꜱ ɪɴ ᴀ ʙᴏx, ᴛᴡᴏ ʀᴇᴅ ᴀɴᴅ ᴛᴡᴏ ʙʟᴜᴇ, ᴡʜᴀᴛ ɪꜱ ᴛʜᴇ ᴘʀᴏʙᴀʙɪʟɪᴛʏ ...

A: Answer 4 :-  Total number of Candies in the box = 4 Total number of red candies in the box = 2 Total...

Q: When 75.06 g of metal is submerged completely, the water in a graduated cylinder rise from 40.52 mL ...

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Q: Q2/ The aluminum content of an alloy is determined gravimetrically by precipi- tating it with 8-hydr...

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Q: HI NH2 Hz0 Hz0® A - CH3C02H NH3 M20 NO2 NO2

A: For balancing the equation, we have to know the particular mol ratio of reactants that is required t...

Q: Match each variable to the appropriate graphical description provided below: slope of the zero order...

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Q: HW Soz 2 ADD Remeve Remghe

A: According to Li Chatelier principle when product or reactant is removed equilibrium change its direc...

Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of ...

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Q: ОН provide 2 routes. One of the routes must use reactions from Chapter 21 of HO НО.

A:

Q: Peacciones presentadas siguen el mecanismo SN1 o SN2. 1 H3C CH,01 CH,OH CH CH,COO-1 H3C Br CH,COOH C...

A: SN2 preferred primary alkyl halide to give nucleophilic substitution reaction while tertiary alkyl h...

Q: 1. O3 2. (CH32S or Zn, HCI d. a. b. C. HO

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Q: What is the molecular weight of Magnesium Oxide (g/mol) Mg=24 O=16

A: molecular weight of Magnesium Oxide can be calculated  by knowing  the mass of each atoms of Magnesi...

Q: What quantity in moles of LiBr are in 55.3 grams of LiBr?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to ...

Q: Nitric oxide, an important pollutant in air, is formed from the elements nitrogen and oxygen at high...

A: Given : Kc = 0.010

Q: For a gaseous reaction, standard conditions are 298 K and a partial pressure of I bar for all specie...

A:

Q: If NaCl is added to water, the vapor pressure of the resulting solution is reduced relative to that ...

A: There is an increase in the boiling point of solution while a decrease in the freezing point of solu...

Q: An unknown protein measuring 34.67 g was dissolved in 25.04 g of ethanol. The new boiling point of t...

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Q: The boiling point of sulfur is 444.6°C. Sulfur’s melting point is 593°F lower than its boiling point...

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Q: 1. Briefly explain why the AgCl produced in a gravimetric silver determination is inherently purer t...

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Q: 4. Give the balanced equation which shows the reaction of aluminum metal with iron (II) chlorate [Fe...

A: In the reaction,  the reaction undergo single replacement reaction in which more reactive metal disp...

Q: The following reaction is spontaneous as written when the components are in their standard states: ...

A: The solution is as follows:  

Q: Use MO theory to determine the bond order for each of the following species. a) 02 b) CN+ c) NO2- d)...

A: Determine bond order of the given species---

Q: What happens to the atomic number when the reactant nucleus becomes the product nucieus? What happen...

A: The atomic number and mass number remains the same during chemical reaction that is when reactant nu...