if 1.095 g of unknown is found to be 0.00723 moles of solute, what is the molar mass of the unknown. ( Your answer should have 3 sig figs)

Q: B/ Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass…

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Q: What will be the effect on the calculated percent water in the unknown (greater or smaller), if the…

A: Given  calculated percent water in the unknown (greater or smaller)

Q: ewheed is the empirical formula of a Sompound with P cynd 64.44.0 ? 35.61. GIVE EXPLAINED…

A: Simplest whole number of combination of elements in thier compound is known as empirical formula of…

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Q: Be sure to answer all parts. Cisplatin (right), or Platinol®, is a powerful drug used in the…

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Q: A compound with the empirical pormuia Ctt, has a molar nass OP gimol.What is the molecular Formuia…

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Q: The percentage composition of unknown sample is found to be 32% C, 6.71% H, and 18.66% N. Determine…

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Q: .370 mol of octane is allowed to react with .780 mol of oxygen . After the reaction how many moles…

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Q: how many moles of cocl3 are in 172.6 ml of a 19.6% mass sloution of cocl3 which has a density og…

A: You have given total volume and density, then find the mass of the solution to get the % mass of the…

Q: one of the ingredient in vibegar is ethanoic acid ethnoic acid has a 69g mol and the following…

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Q: In a 250 mL can of red bull, there are 80.0 mg of caffeine, how many moles of caffeine is that?

A: Volume of a red bull can = 250 ml  Mass of caffeine = 80.0 mg  Number of moles of caffeine = ?

Q: grams of I?

A:

Q: How many N atoms are present are in a 3.13 ng sample of nitrobenzene, c6h5no2? Answer should be in…

A: Given,mass of nitrobenzene ( C6H5NO2 ) = 3.13 ng

Q: Please help me with tyhis problem and the right sig fig because I got as the molar of the compound…

A: This are some rules of significant figure you should know-

Q: What is the Mass % of strontium in strontium periodate?

A: The molecular formula of Strontium Periodate is as follows:There is only one Strontium in Strontium…

Q: loss of mass mass % of water theoretical mass % of water.

A: 1. Loss of mass Assume we have CaCO3 and iswe react it with HCl then reaction proceed as:- CaCO3 +…

Q: Theoretically, should the experimental mass percent water values for everyone who used the same…

A: Answer is yes  If everyone is calculating the percent mass of water in the same hydrate the answers…

Q: A sample of crude oil contains 3.01 mMnaphthalene, 11.6 mMmethylnaphthalene, 23.6…

A: Given,Molarity of naphthalene = 3.01 mMMolarity of methylnaphthalene = 11.6 mMMolarity of…

Q: 8) 1.23 x 1024 molecules CO

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Q: Stoichiometry 11. Nitrogen and oxygen form an extensive series of oxides with the general formula…

A: Given data : % of Nitrogen = 36.84 %

Q: O How many molecules are in 8.1x10-3 mol of Carbon dioxide? How many Hydrogenatoms are in 77.29 g of…

A: here , Given moles of given using formula we can calculate the molecule of CO2 Tetraboric acid have…

Q: 1. Convert 61.51 a of He to moles of He

A: Number of moles = mass/molar mass    Since you have posted multiple questions, we are entitled to…

Q: How many moles of H3PO4 can be made from 1.39 X 1027 molecules of P4O10? 12 HCIO4 + P4010 4 H3 PO4 +…

A: When two reactive compounds are mixed, then they react according to the stoichiometry of the…

Q: A student weighs 1.00 grams of CuSO, on a balance. After heating, the compound weighed 0.638 grams.…

A: SOLUTION: Step 1: The formula of Copper sulfate hydrate is CuSO4.5H2O. Mass of water = Mass of…

Q: / Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass of…

A: Determination of empirical formula  The percentage composition of elements present in given compound…

Q: ) A particular compound contains 62.1%C, 5.21%H, 12.1%N, and 20.7% O. Determine the empirical…

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Q: molar mass of NH4C2H3O2

A: To find molar mass of NH4C2H3O2 Molar mass of N=18 g/mol Molar mass of H=1 g/mol Molar mass of…

Q: What number of moles of X is needed to obtain 83.06 grams? (Assume that the molar mass of X is 66.55…

A: Given : mass of X = 83.06 g             Molar mass of X = 66.55 g / mol Required: no. of moles of X…

Q: if 1.095 g of unknown is found to be 0.00575 moles of solute, what is the molar mass of the unknown.…

A: Given data : Mass of the unknown = 1.095 gms Number of moles = 0.00575 We can apply the formula for…

Q: I juat dont know how to approach number 85.  They dont give a temp.  Do i assume , say, 273 kelvn to…

A: The flask contains hydrogen and nitrogen gas that are separated by a stopcock fitted in between the…

Q: How many moles are in 33.36 grams of Ec,H5O2?

A: Given :- mass of Ec6H5O2 = 33.36 g               Molar mass of Ec = 31.79 g/mol  To calculate :-…

Q: How many grams of water are represented in 800 g of MgSO4*7H2O? MW of MgSO4*7H2O = 246 g/mole MW of…

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Q: How many moles of 02 willy completely react with 6.23 mol PbS?

A: During the reaction between PbS and O2 the PbS converts to PbO and S is oxidized to SO2 from the…

Q: How many mol (moles) are in 249.6g of H2SO3?

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Q: 5. How many formula units are there in 90.0 g of Mg(OH)2?

A: No of formula unit can be calculated by dividing the given weight and weight of one formula unit.

Q: 1. Determine the number of particles in 1.54 mols of KNO3.

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: (9)What is the molar mass of mercurous nitrite?

A: Since, Molar mass of the compound is the sum of molar mass of each atom present in the molecule.…

Q: fine moles of hcl in 0.4488g

A: We have to calculate the moles of HCl in 0.4488 g.

Q: This is part of a continuing problem from the previous carbohydrate sample. Use that data to…

A: Given, Mass of carbohydrate sample = 12.915 g Carbohydrate sample composed of CHO On combustion:…

Q: Enter the result of this calculation in lowest terms. ()))) - 32 Chemistry Example How many grams of…

A: 1) The fraction :  332122543 2) Given mass of Na = 462.0 g Molar mass of Na = 22.99 g/mol

Q: Acetone is a well-known industrial solvent with a molecular formula of: C3H60. Calculate for its…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".