Volume of 0.100 M Na3PO4 solution used 30 mL 30 mL Initial burette volume of CaCl2 solution .6 mL 20.6 Final burette volume of CaCl2 solution 20.6 mL 40.6 mL Volume of unknown CaCl2 solution used 20 mL 20 mL Mass of filter paper .3819 356 Mass of filter paper + Ca3(PO4)2 precipitate 453g .383 .072 9 .027 Mass of Ca3(PO4)2 precipitate recovered 000232 mel 0 871 mol Moles of Ca3(PO4)2 recovered ,000261 mol .000696 mol Moles of CaCl2 consumed in reaction Molarity of unknown CaCl2 solution Average Value for Molarity of Unknown CaCl2 solution

Q: In a(n) reaction, energy is given off in the reaction. endothermic O isothermic O oxythermic O…

A: Any chemical reaction requires energy for it to occur. It is because for a chemical reaction to…

Q: The conservation of matter is unimportant when determining the mole ratio of a chemical reaction. O…

A: Conservation of matter is depends on the stichiometric coefficient of all reactants or products.

Q: Magnesium solid and oxygen gas combine to produce Magnesium Oxide solid. _____(s)+______(g)=2MgO___…

A: 1)When magnesium reacts with oxygen, it produces light bright enough to blind you temporarily.…

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: Determine the mol H2O/mol CaSO4 if you have the following data to teo decimal places. Mass of…

A:

Q: Why is reaction stoichiometry important? Cite some examplesin your answer.

A: Balanced chemical reaction is the chemical equation that contains an equal number of atoms of each…

Q: Consider a reacting mixture consisting of 5 molecules of oxygen and 2 molecules of hydrogen reacting…

A: The question is based on stoichiometry  of a reaction highlighting concept of limiting reagent. A…

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: An experiment was carried out to make potassium dichromate(VI) from chromium(III) potassium sulfate…

A: To determine the moles of chromium(III) potassium sulfate (chrome alum) used in the experiment, you…

Q: Left over initial-consumed STP Volume = 1 mol/22.4 L Avogadro's # = 6.023 1023 molecules/1 mol 1.…

A:

Q: Consider the reaction between K2S(ag) and CaCI2(ag). What are the spectator ions in this reaction?…

A: Answer is explained below.

Q: In theory, an increase in volume of a gas is the same as decreasing the concentration of reactant…

A: Applying basics definition of concentration.

Q: Please do the question where it states "using the ideal gas law, calculate the theoretical yield of…

A: The stoichiometry method helps in analyzing reactant's/product's amount in mole/mass terms. The…

Q: Given the following equation: 2 KClO3 → 2KCl + 3O2 How many moles of KClO3 are needed to produce…

A:

Q: Which part of the balanced chemical equation below is missing? 2 H₂ + O₂ -> 2 H₂O reactants products…

A: reactantsproductscoefficientsphases

Q: 1. Experimental Data Identity of the salt, a. Mass of salt [g] NaCl Trial 1 Trial 2 21.07 21.07 b.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What mass of NH3 will react completely with 25.0 g of O2

A: BALANCING EQUATION 4NH3 (g) + 3 O2(g) ------> 2N2(g) + H2O(l)

Q: determine: 1) the limiting reagent, 2) the moles of each reactant left over, and 3) volume (in L) of…

A: The decomposition of CaCO3 is CaCO3 (s) → CaO (s) + CO2 (g). The mole ratio of the equation is…

Q: Use the References to access important values if needed for this question. When the following…

A: Balance the chemical reaction using smallest possible integer coefficient

Q: Given the following equation: 2KClO3=2KCl+3O2 Determine the mole ratio for KCl to O2.

A: Balanced chemical equations are those in which number of atoms on both side of reactant and product…

Q: Consider the combination reaction: Li + 02 NOTE: • For product C include both coefficient and…

A: the product of the compound is :

Q: Which statements are True and False for the nitration reaction? a) The reaction is exothermic,…

A:

Q: 0.235 g of a hydrocarbon reacts with excess oxygen in a bomb calorimeter. The molar mass of the…

A: Given :-  Mass of hydrocarbon = 0.235 g  Molar mass of hydrocarbon = 122.118 g/mol  To calculate :-…

Q: 93.6g to ng and 93.6g to tons with the set up

A: Given : To convert 1) 93.6 g to ng i.e nanograms and 2) 93.6 g to tons.

Q: 7 1 mole Fe₂(CrO₂)₂ = g Fe, (Cro),

A:

Q: Balahce the chemical equation by dicatin each species аppropriate exercise, explicitiy. Match the…

A: The chemical name of Fe3O4 is iron oxide. It is an inorganic compound. Its appearance is brown. The…

Q: The hydrate salt Na₂SO4 10H₂O is efflorescent. If the hydrate loses all its water of hydration, how…

A: Answer: Water of crystallization is the water molecules that remains in the crystal structure of the…

Q: There are 0.0625 moles of methane available in the reaction initially... but, is all of the…

A: In the given experiment, the initial amount of methane is 0.0625 moles out of which 0.0313 moles…

Q: Given the following set of experimental data for determination of the number of water molecules in a…

A:

Q: How many grams of. HNO3 are produced from 36.1g of AgNO3 combines with HCI

A: Given :- mass of AgNO3 = 36.1 g  To calculate :- mass of HNO3 (in g) Number of moles = mass/molar…

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

A:

Q: Does each equation with balance equation multiply by different number?

A: Recall the given redox reaction,                         Ch2+  +  ShO4-  ---->  Sh2+  +  Ch3+We…

Q: Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime…

A:

Q: 1. Which of the following is the stoichiometric ratio of calcium ions to sulphate ions when calcium…

A: A question based on stoichiometry. 6 options about the stoichiometric ratio of ions is given, the…

Q: using the matrix way

A: a: Na2S4O6b: H2O2c: Na2SO4d: H2Oe: H2SO4

Q: Determine the number of moles of gas particles produced when the following amounts of each chemical…

A: Stoichiometry is a crucial idea in chemistry that enables us to compute reactant and product amounts…

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: To balance the chemical equation Na₂O2 + H₂O →→ NaOH + O₂, you could introduce coefficients a, b, c,…

A:

Q: Types of chemical reactions and how can I solve them?

A: Chemical reaction occurs when one or more substance combines together in certain conditions to give…

Q: Xenon difluoride is one of the most stable xenon compounds. It is a powerful fluonnating agent with…

A: Give that  The heat of formation of Xenon fluoride is -108 KJ and is represented as Xe(g) + F2(g)…

Q: For the unbalanced reaction H2S + Cl2 → S8 + HCl . How many moles of HCl can be produced from 3…

A: To determine the moles of HCl produced from 3 moles of H2S and excess chlorine gas, we need to refer…

Q: Compute for the mass in grams of NaCl produced by reacting 1.50 g of NHẠCI with 3.0 g NaOH. NH4 +…

A:

Q: Match the items in the left column to the appropriate blanks in the sentences on the right. Reset…

A: In this question, we have to fill in the blanks.

Q: This reaction is

A: We are given a reaction, we have to tell it's types

Q: 4)Suppose the following chemical reaction can take place in this mixture: 2SO2(g)+02(g)2SO3(g) of…

A:

Q: Assuming an efficiency of 49.20%, calculate the actual yield of magnesium nitrate formed from 148.4…

A: Balanced chemical equation is Mg + Cu(NO3)2 ----> Mg(NO3)2 + CuGiven: Mass of Mg = 148.4 g Molar…