If a sample of BaBrz is found to contain 2.34 · 103 mol of Ba2+ ions how many moles of Br" ions are present? Express your answer in scientific notation. x 10

Q: Give the following generic chemical reaction, determine the moles of B2 needed to react with 1.25 x…

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Q: Use the following chemical equation MgCl2(aq)  + 2AgNO3(aq)  →  2AgCl(s)  + Mg(NO3)2(aq) 1.000 moles…

A: According to given balanced reaction, 2 moles of silver nitrate will give 1 mole of magnesium…

Q: A molecule has the formula Na₂SOx, where X is a number of oxygen atoms. If the molar mass of the…

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

Q: How many moles of water H2O, contain 2.0 x 1022 molecules of water?  Express the quantity in moles…

A: Moles = Number of molecules / NA

Q: The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hydrogen, and…

A: Consider the given information is as follows; Mass of sample = 3.751 g Mass of CO2 = 11.24 g Mass of…

Q: Calculate the mass in grams of 1.23×10241.23×1024 molecules of methanol. The chemical formula for…

A: Given that, the molecules of methanol= 1.23 × 1024 Now, as per Avogadro’s law: 1 mol of methanol…

Q: Caffeine, a stimulant of the central nervous system, has the molecular formula C8H₁0N4O2. The molar…

A: Mass of 1 mole = molar mass 1 mole AB contain 1 mole A and 1 mole B

Q: 2 In(1) + InBr3(s) → 3 InBr(s) 0.500 mol___mol mol

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Q: A vial contains 4.17 x 1023 molecules of an unknown organic compound. How many moles (3 sf) of this…

A: Given: Organic compound contains 4.17×1023 molecules.

Q: 3CO + Fe₂O3- 2Fe + 3CO₂ If 5.06 x 1024 molecules of carbon monoxide (CO) reacts with 6.54 x 1024…

A: From the given reaction it is clear that Co : Fe2O3 : Fe = 3:1:2  According to the data provided, CO…

Q: Calculate the number of O atoms in 0.0136 g of CaSO4 2H₂O. x 10 O atoms (Enter your answer in…

A: Answer: Given data: Mass of CaSO4.2H2O m=0.0136g

Q: A sample of pure alumina hydrate was obtained from a bag of flame retardant. A 5.000 g sample of the…

A: Weight of the hydrated aluminum oxide (Al2O3 . xH2O) = 5.000 g Weight of the anhydrous alumina (when…

Q: 2NaCl + 1 Br2 → 2 NaBr + 1 Cl2     How many moles of NaCl are there in 99 grams of NaCl?  If you…

A: a) Given, Given mass of NaCl = 99 grams b) Given, Amount of NaCl is 31 grams c) Given, Amount of…

Q: A student weighs an empty beaker at 85.301 g. A sample of Na2SO4·??H2O is added to the beaker, and…

A: Mass of empty beaker = 85.301 g  Mass of beaker + hydrated salt = 86.607 g  Mass of beaker +…

Q: What is the mass (in grams) of 8.45 x 1023 molecules of dextrose: C6H₁2O6 (molar mass 180.16 g/mol)?

A: Molecular mass of dextrose is 180.16g/molWe have to find mass of 8.45 × 1023 molecules.

Q: How many grams are in 5.32 x 1022 molecules of CO2?

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Q: If  3.68 x 1021 formula units of sodium bromide are reacted with excess chlorine gas, how many…

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Q: You have 9.99 × 10^25 molecules of water. Find the volume of this in milliliters. Water has a molar…

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Q: How many moles of Ca2+ ions are present in 7.52 · 1020 Ca(OH)2 formula units? Express your answer in…

A: Given : Number of formula units of Ca(OH)2 = 7.52 X 1020

Q: How many grams are there in 6.5 X 10^25 molecules of CO2?

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Q: How many grams of titanium(IV) hydroxide, Ti(OH)4, will contain 3.4 x 1025 hydroxide ions? Work…

A: The compound given is titanium (IV) hydroxide.The formula of the compound is Ti(OH)4.The number of…

Q: How many molecules are in 4.83×1020 H2O2?   I don't quite understand how to do these calculations. I…

A: Note: Hey there! Thank you for posting the question. Since the unit is not given, we have taken…

Q: 3 Cu + 8HNO3 → 3 Cu(NO3)2 + 2 NO + 4 H₂O In the above equation, how many grams of water can be made…

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Q: Calculate the mass in grams of 6.12 mole Cu(NO3)2.

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: How many grams are in 5.32 × 1022 | molecules of CO2 ?

A: The amount of 5.32x1022 molecules of CO2 is to be calculated.

Q: Maggie filtered out a sample of copper (II) chloride, CuCl2 from a local pond, and found its mass to…

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Q: How many C atoms are present in 8.94 · 1020 CH3C(O)H molecules? Express your answer in scientific…

A: Scientific notation is way to express the numbers that are too big or small to be written…

Q: If you place 6.46 X 1027 molecules of Ca(OH)2 into this equation, how many moles of Ca(NO3)2 will be…

A: Given: The reaction is as follows: 2HNO3+CaOH2→CaNO32+2H2O The number of molecules of…

Q: b) Draw the Newman projections of all conformations of this haloalkane looking down the indicated…

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Q: A balloon filled with neon gas, Ne, contains 9.870 x 1025 atoms. Use the molar mass of neon, 20.18…

A: Given,number of atoms of neon ( Ne ) gas = 9.870 x 1025 atomsmolar mass of Ne = 20.18 g/mol

Q: 3 Cu + 8HNO3 --> 3 Cu(NO3)2 + 2 NO + 4 H₂O In the above equation how many grams of water can be made…

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Q: A sample of CH 3 F contains 2.71 * 10 ^ 24 molecules. How many moles of CH 3 F are present?

A: Since moles of any molecule = number of molecule / Avogadro's number  Avogadro's number = 6.022 X…

Q: How

A: moles of water = ( molecules of water ) / ( Avogadro number )  Where :  Molecules of water is 2.0 •…

Q: CaO + H2O → Ca(OH)2 If 9.5 × 1024 particles of Ca(OH)2 are produced, how many moles of CaO were…

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Q: If a sample of B10H12[N(CH3)3]2 is found to contain 7.48 · 1020 B atoms how many N atoms are…

A: Given: number of B atoms = 7.48×1020 atoms

Q: 2 NH3 + 3 CuO → 3 Cu + N₂ + 3 H₂O In the above equation, how many grams of N₂ can be made when 6.1…

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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".