What quantity in moles of precipitate will be formed when 42.7 mL of 0.550 M AgNO3 is reacted with excess MgBr2 in the following chemical reaction? 2 AgNO3(aq) + MgBr₂(aq) → 2 AgBr(s) + Mg(NO3)2(aq)

Q: How many atoms are in 11.5 g Au

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Q: Calculate the number of C atoms in 0.206 mole of C?

A:

Q: How many grams are present in 87.58 moles of X? (Assume that the molar mass of X is 9.59 grams per…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: if you have a flask containing 15.6 mol of water, what is mass of the water in the flask?

A: The mole of water = 15.6 moles

Q: How many oxygen atoms are in 0.68 moles of acetic acid ?

A: The number of moles of acetic acid is = 0.68 mole The number of oxygen atoms in this amount is =?

Q: How many moles are present in 20.29 grams of X? (Assume that the molar mass of X is 32.95 grams per…

A: Mass of X = 20.29 g Molar mass of X = 32.95 g/mol To determine number of moles present of X

Q: How many moles of tin atoms are in a pure tin cup with mass of 38.1 g? a

A: Given data: The mass of tin atoms = 38.1 g. To find: The number of moles of tin atoms.

Q: the percent water, and moles of anhydrous salt

A: A numerical problem based on water of hydration, which is to be accomplisheweight of water of…

Q: Determine the molar mass for ethylene glycol(antifreeze), C2H6O2.

A: Given  Formula of ethylene glycol = C2H6O2 Molar mass = ?

Q: Part C How many moles of nitrogen are in 9.0×10−2 mole of quinine?

A: Given, Quinine having Chemical formula: C20H24N2O2  Given Moles of quinine = 9.0 x10-2 moles Moles…

Q: Calculate the number atoms of oxygen that would be found in 2.50 moles of pure acetic acid?

A: Given that: Number of moles of acetic acid = 2.50  To find: The number of atoms of oxygen in acetic…

Q: Determine the molar mass of CH,CH,. Provide an answer to two decimal places.

A:

Q: Determine the number of atoms in 30.0 g of S.

A: The given mass of S is 30.0 g The molar mass of S is 32 g The conversion of mass to moles can be…

Q: A 24.8 g sample of water contains how many water molecules?

A: Molar mass of water = 18 gWe have 24.8 g water no of moles of water = 24.8 g18g/mol…

Q: How many moles are in 3.4x10^-7grams of silicon dioxide?

A: The formula for the number of moles is expressed as Number of Moles = Mass of substance ÷ Molar mass…

Q: how many carbon atoms are, hyrdrogen atoms, oxygen atoms, and nitrogen atoms are in this molecule?

A: The molecule given in the question is a hydrocarbon compound which has heteroatoms (O and N).…

Q: Where did the 0.1875 mol came from?

A: Given:Molality of sucrose solution   = 0.250 molal  = 0.250 mol/kg Also, Mass of solvent ( water ) =…

Q: What is molar mass of ibuprofen?

A:

Q: Aspirin has the molecular formula, CoH8O4. How many moles of oxygen are in 186.8grams of aspirin?…

A: In 186.8grams of C9H8O4, there will be 4.148 moles of O. Explanation:Please see the attached image…

Q: Sylvanite is a mineral that contains 28.0% gold by mass How much sylvanite would you need to dig up…

A: Given : percentage by mass of gold in sylvanite = 28.0 % And mass of gold = 87.0 g

Q: what is the mass of 4.74 mol of silver?

A: Given values are,Moles of silver= 4.74 molMolar mass of silver= 107.8682 g/mol (standard value)Mass…

Q: A compound has the chemical formula SrX2, where X is an unknown nonmetal. The percent by mass of Sr…

A:

Q: What is the mass for 1.5 billion molecules of nitrogen in amu and grams

A: A numerical problem based on the relationship between number of molecules and the respective mass.

Q: How many moles is 23.67 grams of silver

A:

Q: substance with a molar mass of 231.40 g/mol is made up of 72.30% Fe, and 27.70% Oxygen. The…

A:

Q: atoms

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Q: Determine the formula weight of SrCl₂. Provide an answer to two decimal places.

A: Formula weight is the sum of the atomic weights of all atoms appearing in a given chemical formula.

Q: how do you find the # of mols without using the volume of the drops

A: No. of moles = Molarity x Volume of Solution in L

Q: Determine the number of atoms in a molecule Calculate molar mass

A: Number of atoms = Number of moles × number of atoms in each molecule × Avogadro's number  For…

Q: What is the formula mass of gold(I) phosphate?     Include the unit in your answer.

A: Multiply subscript of every element in formula by its atomic weight (relative atomic mass) as…

Q: How many moles are in 10 grams of Cr?

A: From the mole concept using this given equation- n: number of moles of Chromium (Cr) element. m:…

Q: Calculate the number of atoms or molecules in 5.7 mol Au

A: Given The number of moles of Au is 5.7 moles.

Q: In lab you measure out 22.21 grams of C6H12O6 for an experiment. How many mol is this? Give your…

A: Molar mass of C6H12O6 = 180.16g/mol  no. of moles (n) = Mass÷molar mass

Q: What is the molecular mass of tetraphosphorus trisulfide?

A: Molecular mass is the sum of the atomic masses of all the atoms present in a molecule.

Q: Determine the molar mass of Mg(OH),. Provide an answer to two decimal places.

A:

Q: 2.6 mol lithium bromide to total number of ions

A: We know that 1 mol of any substance contains Avogadro's number of substances. We can determine…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.