Determine the moles of NaOH used for each substance for each trial

Q: 1- Sodium carbonate with the molecular structure of Na2CO3 with formula weight of the sodium…

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Q: Which of the following cartoons depict a balanced reaction?

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Q: How are you converting to mmol? And could you use concentration instead?

A: Answer: This question is demanding the clarification on value used as millimoles in place of molar…

Q: The number of moles of HBr present in 625 mL of a 0.0555 M HBr solution is:

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Q: 1. Complete the following: Name of product: Mass in one serving Li enpaisuce PA LEGGE enpers begins…

A: We are given mass of different molecules, and there energy value, we have to find total energy in…

Q: Use the following balanced equation for problems 1-5. Molar masses are given below. 2 As 3 H2 2 AsH3…

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Q: s of sodium chloride, NaCI, reacts with an excess amc pxide, Mgo, how many grams of sodium oxide,…

A: Here 44 gram of sodium chloride reacts with excess of magnesium oxide (MgO). We have to determine…

Q: Complete and balance the equation below: (Use curve arrows to predict the product) NaNH2 CH3C=CH

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Q: Which of the following is always correct in considering the percentage yield of a reaction?…

A: Actual yield is the actual amount of product produced by the reaction. Theoretical yield is the…

Q: A alkaloid compound contains 74.02% C, 8.710% H and 17.27% N. The empirical formula of the compound…

A: Given:  Weight % of carbon = 74.02 %  Weight% of hydrogen = 8.710 %  Weight % of nitrogen = 17.27 %…

Q: Say you have a stock of 15% NaCl and need a reaction concentration of 1.2% in a total reaction…

A: Given the value for reaction, Molarity = M1 = 1.2 ∘∘ Volume = V1 = 25 μL foe stock solution,…

Q: How many moles of CO form at the same time that 0.246 moles of CS2 form

A: Let us consider the reaction for the formation of CS2 and CO   (i) C+ S2 → CS2  (ii) C + 1/2O2 → CO

Q: What is the molar conversion formlula, for grams to molars and vice versa?

A: 1 mole of a substance contains 6.022×1023 molecules.

Q: A major industrial use of hydrochloric acid is in metal pickling. Fe₂O3(s) + 6HCl(aq) 2FeCl3(aq) + 3…

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Q: A student combines 2.025 g of aspirin with excess acetic anhydride.  The theoretical yield of…

A: The mass of salicylic acid = 2.025 g Molar mass of salicylic acid = 138.121 g/mol Molar mass of…

Q: Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14% KCI by…

A: Explanation Mass percent There are different ways of expressing the concentration of a solution by…

Q: SHOW YOUR WORK! Use conversion factors to determine the answers to the Following questions. Do not…

A: To solve this problem we will use the law of dilution .  Here, we will use the formula  M1V1 = M2V2…

Q: Gas Stoichiometry 1. Find the percent yield for the reaction of 1.56 gram BaCl2 when 1.86 gram of…

A: Given: mass of BaCl2=1.56 gmass of AgCl=1.86 g To find: percent yield of reaction

Q: hydroxide is required to prepare one liter of 4N calcium hydroxide solution? Choices: 2, 1, 3, 4

A: Normality (N) = Molarity(M) × Valence factor  Valency factor for base = number of OH- ions = 2…

Q: Molar concentration of the dye stock solution: 2.52e-5 mol/L Solutions(Dilutions) Absorbance…

A: The concentration of the initial stock solution is 2.52×10-5 mol/L. The final volume of solution is…

Q: How many H are added or lost in going from the reactant to the product?

A: How many H are added or lost in going from the reactant to the product?

Q: How many moles of NH, form when 32.4 Lof H gas completely reacts at STP according to the folowing…

A: For the given reaction: According to the given conditions: Therefore assume, It can be solved as:…

Q: how many grams of aspirin should we form in this reaction if we started with 2.08g of salicylic…

A: Given Mass of salicylic acid = 2.08 g Molar mass of salicylic acid = 138.12 g/mol Moalr mass of…

Q: Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound…

A: Provided, according to the Law of Conservation; mass can't be destroyed or created. In both trial…

Q: . If 15 grams iodine are combined with 15 grams rubidium to form rubidium bromide, what will be…

A: Mass of iodine = 15 gm  Mass of rubidium = 15 gm  Moles of iodine = mass  of iodine/molar mass of…

Q: The decomposition of 2 mol of water to hydrogen and oxygen requires 137 kcal of energy. The reaction…

A: Start by taking a look at the thermochemical equation given to you                   2 H2O ( l ) +…

Q: 20 Analyze each reaction: 10. C₂H4O2 + H₂ → C₂H4O + H₂O A. Which compounds are the reactants? B.…

A: Reactants are present on left hand side and products are present on right hand side of chemical…

Q: Use the following balanced equation for problems 1-5. Molar masses are given below. 2 As 3 H2 2 AsH3…

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Q: Consider the following fictional reaction: 2AB(aq) = 2A(aq) + B2(aq) AH = -25 kcal/mol What happens…

A: This is an equilibrium reaction and change in enthalpy of the reaction is negative so exothermic…

Q: Draw the organic molecule(s) which is(are) formed in the following reaction. Do not include…

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Q: Moles of HCl consumed (show calculation)

A: In the given reaction 3.12 g of CaCO3 is reacting with HCl and the balanced reaction is shown below,…

Q: 59 NAOH ate dissolved in wador to makie I1,4% M/m NaOH Solunon. what is The Mass of the Solunon ?

A: Applying wight percentage formula %=( m/M)×100

Q: What is the gravimetric factor when the desired substance is Cr2O3 and the weighed substance is…

A: The gravimetric factor when the desired substance is Cr2O3 and the weighed substance is PbCrO4 is 1…

Q: Please show the proper calculation of the above answer how 17.72% as it creates a lot of confusion…

A: The objective of this question is to show the calculate a percentage, divide the part by the whole…

Q: If calcium carbonate were slightly soluble in water, would your percent yield be higher, lower, or…

A: What is the effect of solubility of calcium carbonate in water on percent yield.

Q: Part1: 1.05×10-1  m glucose solution made by dissolving the glucose in 100.0 kg of water: ____ mol…

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Q: 44. What is the final M of a solution prepared by diluting 20.0 mL of 4.0 M NaOH to 10.0 L? (2 sig…

A: The question is based on the concepts of solutions. we need to calculate concentration of diluted…

Q: A local water retention pond was found to have elevated levels of mercury concentrated as 14 ng per…

A: Given : Concentration of mercury i.e Hg = 14 ng/L. And volume of water in bond = 1250 m3  Since 1 ng…

Q: Use the dropdown menu to indicate the reagent for the conversion of glucose to each of the following…

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Q: Say you have a stock of 15% NaCl and need a reaction concentration of 1% in a total reaction volume…

A: Given that,  % Concentration of NaCl stock solution C1 = 15% Volume of NaCl stock solution needed to…

Q: 1. Calculate the number of moles of cyclohexanol (d = 0.96g/ml) if 20 mL was used in the reaction?

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

Q: In the following reaction, what is the stoichiometric coefficient for water? C3H8+5 02 3 CO₂ + 4H₂O

A: Stoichiometry coefficient is the number that is placed in front of the chemical formula in a…

Q: 1. Write balanced net ionic equations to explain the observations in the options assigned by your…

A: E) Copper wire dissolved in Concentrated Nitric acid evolving nitrogen oxide gas. (F) In areas where…

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