Assume you dissolve 0.235 g of the weak acid benzoic acid, CeHCO₂H, in enough water to make 3.00 x 102 mL of solution and then titrate the solution with 0.158 M NaOH. CH,CO,H(aq) + OH (04) → CoHSCO, (94) + Hy0(0) What are the concentrations of the following ions at the equivalence point? Na*, H₂O, OH C₂H₂CO₂ M Na MH₂0¹ MOH MCHCO What is the pH of the solution?

Q: According to the following reaction, how many grams of ammonia will be formed upon the complete…

A:

Q: Calculate the molar mass of Al(C2H302)3. Aluminum is element 13; Carbon is element 6; Hydrogen is…

A: Check the atomic mass for each element and use it to calculate the molar mass of Al(C2H3O2)3.

Q: Which species is being oxidized in the following reaction? 2 Au(NO3)3(aq) + 3 Ca(s)3 Ca(NO3) (aq) +…

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Q: Ba(NO3)2(aq)+K2SO4(aq)

A: Balance Chemical equation means no of atoms or ions should be equaal in both side reactant and…

Q: If the formula of an oxide of element X is X₂03, what is the formula of the chloride of X? (A) XC13…

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Q: * Question Completion Status: Barium oxide was synthesized form the reaction of barium and oxygen in…

A: Barium reacts with oxygen to form barium oxide. The equation for the balanced chemical reaction is…

Q: Consider the balanced reaction 6 A + 5 B → 7 C + 7 D. If 6.65 moles of D (MW = 29.59) are produced,…

A:

Q: Given= 3.0 M Ca(oH)2 & 2.5L Looking For = g CacOH). M × L = (3.0MX2.5 L) mol= 7.5 mol CaloH )2 M=…

A: The weight of Ca(OH)2 has to be given,

Q: Elemental phosphorus is used in the semiconductor industry. It can be obtained from an ore called…

A: The reaction above can be correctly written as below: 4Ca5(PO4)3 F + 18SiO2 + 30C ----->  3 P4 +…

Q: Iodine is made by the following reaction 2 NaIO3(aq) + 5 NaHSO3(aq) → 3 NaHSO4 (aq) + 2 Na2SO4 (aq)…

A: Given , Reaction : 2NaIO3(aq) +5 NaHSO3(aq) → 3NaHSO4(aq) + 2Na2SO4(aq) +H2O(I) +I2(aq)

Q: 14. Copper has two isotopes, Cu-63 and Cu-65. The average atomic mass of copper is 64.928 g/mol.…

A: Given, Mass of Cu = 63 Mass of other isotope of Cu = 65 Avg. mass = 64.928 g/mol

Q: Calculate the average atomic mass of Amazium, a newly discovered element (Amazium, symbol Az) which…

A: Given :- There are only 2 naturally occurring isotopes of Amazium. Mass of isotope Az-230 = 229.995…

Q: Consider the balanced reaction 5 A + 5 B → 3 C + 6 D

A: 1 mole  B = 24.85 g of B 1 mole C = 20.23 g of C

Q: Consider the balanced reaction 5 A + 5 B → 2 C + 5 D. If 6.026 grams of C (MW = 29.63) are…

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

Q: Assume vit K1 makes up 0.052% ( by mass) of cilantro. How many moles of vit K1 is there in your…

A: Vit K1 makes up 0.052% (by mass) of cilantro. 1 tsp of cilantro is used here and volume of 1 tsp is…

Q: K(s) Ca(s)

A: A question based on electrochemical series, which is to be accomplished.

Q: Calalate te mass of Fes formed when 9.42 9 of Fe reacts with 8.505 oks Fe Cs) +2S Cs)- ) Feszcs)

A: Mass of Fe= 9.42 g Mass of S =8.50g

Q: A student obtained the following data in this experiment. Fill in the blanks in the data and make…

A: All the values can be calculated using the given experimental data.  Some values would require…

Q: Why must atomic masses be weighted averages rather than conventional average values?

A: atomic mass is mass of atom which have amu unit .

Q: What is the molecular weight of Ca3(PO4)2? amu

A: Determine molecular weight of the given compound---

Q: Suppose a certain fertilizer has the following composition: ingredient ammonium phosphate…

A: Let us consider the mass of total mixture is 100 gram. Ammonium phosphate ,(NH4)3PO4 is present 14%.…

Q: Element X has two isotopes, 28Q and 30Q. The relative atomic mass of X is 28.24. (a) Define the…

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Q: Group 15 elements Answer these questions about the group 15 elements. (1) Within this group, bismuth…

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Q: How much C2H4N2 could be expected from the reaction of  14.7 g CO2, 2.27 g NH3,  and 1.67 g CH4?

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Q: Three samples (A, B, and C) of pure substance composed ofsodium, sulfur, and oxygen were isolated…

A: A question based on elemental analysis, which is to be accomplished.

Q: 2. What is the mass percent of iron in Fe(NO3)3 • 9H2O?

A:

Q: 7. Balance the following equations: a) For the synthesis of urea, a common fertilizer CO2(g) +…

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Q: Br2, Fe

A: Benzene gives an aromatic electrophilic substitution reaction. The reaction completes in two steps.…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for