What is the molar mass of unknown Q whose mass is 1.00g and .0350moles

Q: Combustion of a 0.9835-g sample of a compound containing only carbon, hydrogen, and oxygen produced…

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Q: he theoretical yield of Ct

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Q: An automobile gasoline tank holds 42 kg of gasoline. Whenthe gasoline burns, 168 kg of oxygen are…

A: Given information: Mass of gasoline = 42 kg Mass of oxygen = 168 kg

Q: moles of S ar

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

Q: A 20.00 g mixture of magnesium and zinc metal reacting with excess hydrochloric acid produced 1.402…

A:

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: Consider the combustion of 0.5 kg H2 as represented by the following equation: 2H2 + O2 = 2H2O…

A: Given data mass of H2 gas  = 0.5 kg Reaction : 2 H2 + O2 → 2 H2O Molar mass of H2 = 2 g/mole

Q: What is the percent by mass of H in isobutyl benzene (C10H14)? The molecular weight of carbon is…

A: Given values: The molecular weight of carbon is 12.0107 g/mol. The molecular weight of hydrogen is…

Q: w moles of

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Q: at mass of

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Q: A stack of 500 sheets of typewriter paper is 1.9 inches thick. The thickness, in inches, of a stack…

A: Number of sheets in a stack = 3.01 × 1023 One mole contains Avogadro’s number of sheets. Therefore,…

Q: According to equation 1 in the lab procedure, the reaction of 1.462 mol CaCl2 with 2.010 mol Na2CO3…

A: The reaction between CaCl2 and Na2CO3 can be expressed as,                             CaCl2 (aq)…

Q: what is the average mass of one atom of aluminum?

A: One mole of aluminium contains Avogadro’s number of atom. That is, 6.02*1023 atoms.

Q: if 40,0g of carbon is combined with cuffiCient arygen (0la). to produce canoon droxde,what maus ot…

A: Given that: mass of C = 400 g mass of O2 = 107 g To find, the mass of CO2 and to find if the yield…

Q: Hydrocarbon methane (CHa) during combustion produces carbon dioxide and water. On the other hand,…

A: Consider the combustion of methane as:                         CH4g+2O2g→CO2g+2H2OlMolar mass:…

Q: According to the following reaction: 2H,S (9) + 30, (9) – 2H,0 (1) + 250, (g) What would you…

A: Here, the balanced chemical equation given is 2H2S(g)+3O2(g)------>2H2O(l)+2SO2(g) We will answer…

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: any grams of sodium azide are mmHg anc

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Q: The molar mass of boron is 10.81 g/mole. What is the mass of a single boron atom?

A: Given, Molar Mass of Boron is 10.81 g/mol. General formula is: 1 mole = 6.023 x 1023 atoms.

Q: ny moles of HI will be formed?

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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: COM POUND USED LUNAK LAN DER, IT 60.109/mol- EX CESS OXYGEN A. COMBUSTI BLE IN THE APOLLO HAS A…

A: Note: Mass of Nitrogen is not given , so we can not calculate the exact composition of nitrogen but…

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

A: The balanced equation for the reaction between LiOH and CO2 is  2 LiOH + CO2 ---------> Li2CO3 +…

Q: If 7.80x10¹⁸ atoms of a substance weighs 62.5g what is the molar mass of the substance in units of…

A: The number of atoms present in one mole of any substance is called as Avogadro's number which is…

Q: The molar mass is the mass of a mole of atoms. O True O False

A: Correct Ans is -  The molar mass is the mass of  a moles of atoms ---> This statement is true.…

Q: 2. The air in a flask is to be replaced with He gas in a way similar to how air is replaced in the…

A: Air is homogeneous mixture of many gases. The major component of air is nitrogen gas(78%). The molar…

Q: Acetaminophen has the formula C8H9O2N Calculate the mass, in grams, of a .30 mole sample:…

A: Given data, No. of moles = 30 mol Molecular mass of acetaminophen = 151.163 g/mol To calculate the…

Q: How many grams of RbC10, are formed i

A: Given :- mass of RbCl = 135 g  To calculate :- mass of RbClO4 (in g)

Q: Given : mass of unknown is 15.7g moles of unknown is 0.0502 What is the molecular weight of the…

A: Given :  Mass(m) of unknown = 15.7 gm  Number of moles (n) of unknown = 0.0502 moles  Molar mass of…

Q: 1, determine the mass of blue dye in the solution. ( of the dve is 792 84g/mol).

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Q: the amount o

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: What mass of KO, produces 235 g of 0,?

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Q: The air in a flask is to be replaced with He gas in a way similar to how air is replaced in the…

A: Air is a homogeneous mixture of gases. The major component of air is nitrogen gas(78%). Hence, the…

Q: A 20.00 g mixture of magnesium and zinc metal reacting with excess hydrochloric acid produced 1.242…

A: The reactions occurring in the system are written below.

Q: Calculate the molar mass of CaC2H3O2. (Include correct units and round to the nearest whole number)

A: Given  Formula = CaC2H3O2  Molar mass of CaC2H3O2  = ?

Q: Using the equation: n = , calculate the EXPERIMENTAL molar mass. Molar mass

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Q: Hydrogen peroxide breaks down releasing oxygen gas and water . What mass of oxygen is produced when…

A: Recall the reaction         2H2O2 → 2H2O + O2 According to the stoichiometry 2 moles hydrogen…

Q: If the experimental molar mass for Benzoic acid was found to be 133 What is the % error. (See…

A: Given: The experimental molar mass of benzoic acid = 133 g/mol Standard data: The theoretical…

Q: The following diagram represents the collection of elementsformed by a decomposition reaction. (a)…

A: a. The above diagram we can tell the empirical formula would be N atoms are in numbers of three and…

Q: what mass of sodium hydroxide has the same number of oxygen atoms as 130g of barium dihydrogen…

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Q: he information below Ws some volumes of

A: Hydration means the substance combines with water.  Cement undergoes hydration  and forms hardened…

Q: quantity in moles of Ag that one in 35.3 gm of Ag₂0 - 01x01p-s Determine

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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 grams of W are in 0.367 mol W?

A: Given :- number of moles of W = 0.367 mol  To calculate :- mass of W in grams

Q: What volume of 0, gas is produced if _Sr(CIO3)2>_SrCI, + _02

A: Strontium chloride (SrCl2) is a salt of strontium and chloride. Like all compounds of Sr, this also…

Q: If 250 g of calcium chlorate decomposes into calcium chloride and oxygen, what mass of oxygen would…

A: Chemical reactions are those reactions which undergo any chemical change. Chemical reaction is…

Q: is the molar mass of sodium chloride is 58.44, what is the milliequivalent weight?

A: The mEq is one-thousandth of an equivalent of a chemical element, radical, or compound. To convert…

Q: Determine the smallest whole number coefficient for O2 when the following equation is balanced in…

A: Given here an unbalanced chemical reaction as follows,C6H14(g)+O2(g)→CO2(g)+H2O(g)we are aksed to…

Q: A Student is given 212 grams of your potassium. What is the molar mass?

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