31. Bal, contains 64.9% I. How many grams of barium are in 26.50g barium iodide (Bal, ?

Q: A sample of a compund made entirely from copper and oxygen was founf to have a total mass of…

A:

Q: estion 15 of 27 How many grams of F are in 155 g CaF,? mass:

A:

Q: 36.0 g of glucose (C,H1206). If the molar mass of glucose is 180 g/mol, Use Mathematics A solution…

A:

Q: A 2.45g sample of strontium completley reacts with oxygen to from 2.89g of strontium oxide. What is…

A: Mass of Sr = 2.45 g  Mass of Strontium oxide = 2.89 g  Mass % =?

Q: A pure gold ring contains 0.0102 mmol (millimol) Au. Howmany gold atoms does it contain?

A: Given: Moles of Au = 0.0102 mmol= 0.0102×10-3 mol To find: The number of gold atoms

Q: A 12.35 g sample of aluminum hydroxide contains how many mol of hydroxide ions?

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Q: Copper(II) fluoride contains 37.42% F by mass. Use this percentage to calculate the mass of fluorine…

A: Mass percentage of an element in a given compound is the mass of that particular element divided by…

Q: 16 A sample of 24.54g this sample has a molar mass of 980,24 gold sulfide was found to contain of…

A: Molecular formulas tell you how many atoms of each element are in a compound, and empirical formulas…

Q: mercury (I) iodide --> write formula no blanacing

A: Mercury(I) iodide is a chemical compound of mercury and iodine.

Q: How many molecules are in 22.4moles of CCI,?

A:

Q: 4 kg of water would boil at the highest temperature if 1 mol of ______ were used?  fill in the…

A: When a non volatile solute is added to water, vapour pressure of later is lowered and hence boiling…

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: Lithium hydroxide reacts with carbon dioxide to form lithium carbonate and water. The equation for…

Q: How many grams of Br are in 145 g CaBr, ? mass:

A:

Q: Delocalization of electrons and delocalization of electrons can give rise metallic bonding True O…

A:

Q: When doing a dilution, the concentration should go (up / down / stay the same). The total number of…

A: Molarity = no.of moles of Solute/volume of solution in L

Q: Hydrogen gas, oxygen gas, and water vapor are collected in eudiometer. The eudiometer contains…

A: a) Moles of H2(9) =0.00206 g2 gmol=0.00103 molb) Moles of O2(9) =0.0811 g32 gmol= 0.00253 molc)…

Q: ow many moles in 56g carbon dioxide

A: To determine the number of moles in 56g carbon dioxide.

Q: 8 Calculate the number of moles, and molecules in:

A: 8. Number of moles = mass/molar mass  1 mol = 6.022 × 1023 molecules

Q: One 55 g serving of a cereal provides 267.0 mg of sodium, which is 11.6 % of the recommended daily…

A: Convert 11.6% into 100% using mathematical interpretation & convert mass into moles by using the…

Q: 2.4 grams of oxygen (molar mass = 16 grams per mole) would be how many moles?

A: Formula: Number of moles = given mass ÷ molecular mass Given data: mass = 2.4 g  molecular mass (O2)…

Q: What is the molar mass of unknown Q whose mass is 23.08g and .0389moles Hint Molar Mass = g/mol %3D

A: Given  Mass = 23.08 gram  Number of mole = 0.0389 mole  Molar mass = ?

Q: Design a flowchart that could be used tohelp convert particles to moles or moles to particles.

A: A flowchart that could be used to help convert particles to moles or moles to particles is given…

Q: Do parts per million denote a concentration that is a mole ratio

A: Parts per million is also called as ppm.

Q: greatest percentage by mass of

A:

Q: what is the amount of moles?

A: Mole can be defined as standard unit for measuring large quantities of very small entities such as…

Q: Aluminum, silicon and oxygen form minerals known as aluminosilicates. How many moles of aluminum are…

A: General formula of Mica: X2Y4-6Z8O20(OH, F)4 Number of Aulminium per mole of mica: 8 Chemical…

Q: The proportion of sodium hydroxide in a mixture can be determined by

A: Sodium hydroxide in a mixture can be determined by various ways. Formula of sodium hydroxide is…

Q: How many hydrogen atoms are in 1.0kg of water?

A:

Q: What is the mass of 3.4 moles of FeBr, ?

A: In this question, the number of moles of FeBr2 is provided. The mass of FeBr2 has to be…

Q: 10. Calculate the mass of one mole of glucose (C,H,,O).

A: Given that , Substance = glucose (C6H12O6) moles = 1 mol Now we know molar mass of glucose=…

Q: How many miles of HCI are in a sample of HCI with mass of 126g?

A:

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: The reaction between lithium hydroxide (LiOH) and carbon dioxide (CO2) is, Number of moles of LiOH…

Q: A sample of I2 has a mass of 154g.How mant moles are in the sample of I2

A: Given, mass of I2 = 154 gMoles of I2 can be calculated as:

Q: Question 40

A: The given molecules are, CaSO4, Al2(SO4)3 and K2SO4

Q: How many grams of sulphur acid and will combine with 15g of Zn  to form ZnS ?

A: Given in the question, Mass of Zn used = 15g The complete balanced reaction = Zn + S → ZnS Grams of…

Q: Describe how would you determine the percent oxygen in Au(PO,);?

A: Calculating percentage composition of oxygen

Q: This question already has all soltions. Please show the steps how the answers m% in red was…

A: Mass loss= 6.656g Mass of  solvent and extract = 209.424g Mass % =(6.656÷209.424)×100 =3.178%

Q: What might be a reason you obtained a percent yield of less than/greater than 100% for the mixture

A: The formula used to calculate the percent yield is,If the obtained percentage yield is less than…

Q: O mol

A:

Q: Molybdenum has a molar mass of 95.94 g/mol. How many moles are in 150.0g Molybdenum? *

A: Since we know thta number of mole of any substance is calculated by dividing the mass of substance…

Q: Number of Moles of O, boiled off Mole ratio of KCIO, to O, Number of Moles of KCIO, (before boiling…

A:

Q: Unknow A sample ( given density= 0.795 grams/mL) Volume:24.6mL #of moles in sample:0.31825 moles…

A: • Here, we have to calculate the mass , molar mass and number of molecules of sample. •Given that,…

Q: COlumn s the mass of this

A: Given as, T=30oC Now, T=30+273T=303ok

Q: The ______ is a mixture of gases: mostly nitrogen and oxygen, with smaller amounts of argon, carbon…

A: Air is a mixture of gases.

Q: How many moles of Cl are present at

A:

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: Lets write the chemical equation for this phenomena. LiOH + CO2 → Li2CO3 + H2O   Balance the above…

Q: 63.5 mol of P0, contains how many moles of P? moles of P: mol P Incorrect

A:

Q: A sample of a compund made entirely from copper and oxygen was founf to have a total mass of…

A: Given,Total mass of sample = 0.1431gMass of copper = 0.1271gThe mass of oxygen is determined as,