Aluminium has a density of 2.70 g/cm³ . How many moles of aluminum are in a 13.2 cm³ block of the metal substance?

Q: Mn (s) + 2 CuCl (aq) --> 2 Cu (s) + MNCI2 How many grams of Cu will be produced by 4.4 moles of Mn?…

A: Given reaction,        Mn(s) + 2 CuCl(aq)  →  2 Cu(s) + MnCl24.4 moles of Mn

Q: How many moles of KBr are in 61.3 grams of KBr?

A: We are given with 61.3 grams of KBr and we have to calculate the moles of KBr present.

Q: a hydrated CuSO4 salt was heated and thus dehydrated. Determine the % H2O by weight in the hydrated…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: Phogene (COCl2) can be manufactured by mixing carbon monoxide with chlorine gas. CO + Cl2 → COCl2…

A: CO + Cl2 .....> COCl2  Given that :  Moles of carbon monoxide(CO) = 7.25 moles

Q: moles

A:

Q: Consider the reaction between sodium metal and chlorine gas to form sodium chloride (table…

A: Question is to be solved on stoichiometry of equation. given gram atomic mass of Na =23 g Gram…

Q: One mole of particles of any substance contains is:   a. 3 x 10-10particles     b. 106particles…

A: Note : 1 mole of substance contains 6.023 x 1023 molecules.

Q: When the following equation is properly balanced, what are the coefficients for C,H6(), O2(g),…

A: Balanced chemical equation :-  A chemical equation is said to be balanced if atoms of different…

Q: How many grams of sodium bicarbonate are in 3.056 moles of sodium bicarbonate (84.007 g/mole)? Group…

A: The number of atoms, ions, and molecules present on a given amount can be determined by the “Mole…

Q: Calculate the number of moles of aspirin, C9H8O4, in a 4.0 gram tablet. Group of answer choices…

A: To find the number of moles.

Q: Allyl sulfide C6H10SC6H10S, is the substance that gives garlic, onions, and leeks their…

A: Molecular formula of allyl sulfide = C6H10S Molecular weight of allyl sulfide = (12.01 * 6) + (1.01…

Q: A halothane- oxygen mixture (C2HBrCIF3 + O2) can be used as an anesthetic. Assume that a tank…

A: Given data,P(halothane)=170 torrP(Oxygen)=570torrMass of O2=160g

Q: One mole of H2   A contains 6.0 x 1023 H atoms.   B contains 6.0 x 1023 H2 molecules.   C…

A:

Q: express the moles in the next equation N2+ 3H2 -> 2NH3

A: Given reaction, N2+ 3H2 --> 2NH3

Q: 33. There are now about 332,400,000 people in the USA. a. How many moles of people is this? b. If 1…

A:

Q: Part A(already solved): 2NO (g) +O2 (g) --> 2NO2 (g) Part B: You are provided with 2.56 mol of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: you only have unlimited amounts of hydrogen gas but only have 150.0g of oxygen gas

A: Given that mass of oxygen is 150g.and a balanced reaction is given.

Q: A student weighs a 0.0103 g0.0103 g sample of magnesium metal. How many moles of magnesium does the…

A: The answer to the following question is given as:

Q: 4 NH, +3 02 2 N2 + 6 H20 AH = -905.48 kJ AS = 180.41 JIK What conversion factors would you generate…

A:

Q: How many moles of CO2 are in 2.33grams of CO2? Please express your answer in decimal form

A: Given, mass of CO2 = 2.33 g

Q: Einstein mixed 15.0 g of Cu and combined it with 46.0 g of HNO3  according to the reaction 3Cu +…

A: Data given: Mass of HNO3 = 46.0 g Mass of Cu = 15.0 g The balanced chemical equation given is 3 Cu +…

Q: In order to: Convert from grams of a substance to moles of a substance would you multiply or divide…

A: Moles = given mass(g) /molar mass (g/mol) Grams = moles*molar mass(g/mol)

Q: How many moles are in 87 g of Na2O? All answers have units of moles of Na2O O 1.4 6.0 x 1023 O 5.2 x…

A: Answer

Q: g of magnesium hydroxide (58.3196 u) is produced when 3.69 g of magnesium (24.3050 u) is added to…

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Q: C5H12(l) + 8 O2 (g) --> 6 H2O (g) + 5 CO2 (g) How many moles of CO2 will be produced by 53.9…

A: Given the balanced chemical reaction: C5H12(l) + 8 O2 (g) →6 H2O (g) + 5 CO2 (g). The molar mass of…

Q: Gypsum bandages are used to fix fractures. When gypsum hardens, a reaction occurs…

A:

Q: Conversions from moles to molecules involve how many steps? A. 1-step because 1 mole = 6.02X10^23…

A:

Q: Using the equation below, find how many grams of Ag2S can be produced from 48.63 g of AgI.  Round to…

A:

Q: Hydrogen gas burns in the presence of oxygen gas to produce water vapor: 2 H2 (g)  +    O2 (g)…

A: Applying concept of limiting reagent and mole concept.

Q: 1. A student collected the following data during Lab: Mass of MgCO3 hydrate = 0.9987 g. Constant…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Aluminum has a density of 2.70 g/cm3. How many moles of aluminum are in a 13.2 cm3 block of the…

A: Density: Density of a substance is its amount of mass per unit volume.So, density is the property…

Q: How many moles of atoms are contained in the following? (a) 25.0 g NaOH                  (b) 44.0…

A: Mass of NaOH = 25.0 grams Molar mass of NaOH = Atomic Mass of Na + Atomic Mass of O + Atomic Mass of…

Q: A chemist needs to add 3.5 moles NaClNaClto a reaction. How much NaCl should she measure out in…

A: Given:  No. of mole of NaCl = 3.5 Molar mass of NaCl = 58.44g/mol Number of mole(n) = (mass of…

Q: One mole of chlorine gas contains molecules of Cl2. O 1.0 35.45 1.2 x 1024 not enough information is…

A: 1 mol molecule means there must present Avogadro number of molecules.

Q: 3. One of the most commonly ingested drugs in the world is caffeine (C3H,,0,N4). You can find…

A: Given, number of cups of coffee each day = 3 cups            mass of caffeine in one cup = 95 mg

Q: How many bananas are in 0.10 moles of bananas? 3.0 x 1023 3.0x 10 21 6.0 x 1022 6.0x 1024

A: Given,  Moles of bananas = 0.10 moles To find, molecules of bananas??

Q: A mixture of 0.02 mol Co (NH;),SO, Br and 0.02 mol Co (NH,),SO, Br s used to prepare a solution, X),…

A: Given, 2L of mixture contains 0.02 mole [Co(NH3)4SO4]Br and 0.02 mol of [Co(NH3)5Br]SO4 So, 1 L of…

Q: A student burns 1.5 mol C3H8 according to the following reaction: C3H8 + 502 3CO2 +4H20 How many…

A: The answer to the following question is given as:

Q: Use the information and examples provided in the Exploration to calculate how many moles of…

A: Given, 1.5 g of CaCl2•2H2O are present.

Q: Given: 2K(s) + 2H2O --> 2KOH + H2(g)    How many grams of hydrogen gas are produced if 3.011 x1023…

A:

Q: A) Randy likes to grow tomatoes in his back yard garden. Last year he grew a 3.08 x 10-13 moles of…

A: One mole consist of 6.022×1023 molecules.  So we know 6.022x1023 molecules are there in 1mole.…

Q: 4 Al + 3 02 --> 2 Al2O3 Given 4.4 moles of Aluminum (Al), how many grams of aluminum oxide (Al203)…

A: Limiting reagent is the reagent which is consumed in the chemical reaction completely. It decides…

Q: 4. Calculate the indicated quantities. [SHOW WORK] a) The number of calcium atoms in 3.6 moles of…

A: Number of moles=Given number of atoms/molecules/ ionsAvagadro's Number(6.022×1023)

Q: Calculate the number of moles of ethanol present in 243.3 mL of ethanol, CH3CH2OH, which has a…

A: The following relation can be used to calculate the moles of ethanol : 1- Density = mass/volume 2-…

Q: Consider the following balanced chemical equation: 3Ag2S + 2Al → 6Ag + Al2S3 If 86.0 grams of…

A:

Q: When this equation is balanced with the smallest set of whole numbers, what is the coefficient for…

A: We have to  determine the  coefficient for  N2 in the given chemical reaction after balancing the…

Q: How many grams of NO2 are needed to make 1.5 g of N2? NO2 -->   O2 + N2

A:

Q: Butyric acid, C4H8O2, is a compound found in many fats and oils.  A 129.6 g sample of butyric acid…

A:

Q: Phogene (COCl2) can be manufactured by mixing carbon monoxide with chlorine gas. CO + Cl2 → COCl2…

A: Amount of product formed calculation using stoichiometric coefficients of a balanced Chemical…

Q: S    +   6 HNO3 →  H2SO4   +  6 NO2   +   2 H2O In the above equation, how many grams of water can…

A: Given, S + 6 HNO3 →  H2SO4 + 6 NO2 + 2 H2O moles of HNO3 consumed = 16 moles mass of water (H2O)…