Equivalent weight of Al(OH); is O 39 O 62 O 78 O 26

Q: Calculate the mass in grams of a sample of NO2 that contains 1.000 x 10^25 molecules.

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Q: How many moles of aluminum are needed to make 6 moles of molecular hydrogen ? Given the reaction : 2…

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Q: What is the theoretical yield of MgO from the combustion of 5.25 x 10^23 atoms of Mg and 4.69 x…

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Q: Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum…

A: Given - Weight of Al2O3= 12.6kg = 12.6 × 103 g (1kg = 1000g) Weight of NaOH=59.4kg = 59.4 × 103 g…

Q: 3 FeS2   +  11 O2   →  Fe3O4   +  6 SO3 100 g of iron sulfide was reacted with excess oxygen,…

A: 3 FeS2   +  11 O2   →  Fe3O4   +  6 SO3 Atomic masses Fe=56; S=32, O=16 Molecular mass of…

Q: 5 B. A student writes the following incorrect chemical equation for a single replacement reaction…

A: Hi, since you have posted multiple questions, we will answer the very first question for you. Kindly…

Q: what is the weight in grams of 4.30 x 10^14 CF4 molecules?

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Q: Would it be possible to determine the percentage of oxygen in NaCIO3?

A: The given compound is = NaCIO3 The percent of oxygen in this compound is =?

Q: Write a balanced chemical equation based on the following description: the reaction of gaseous C₅H₄…

A: The reactants given are  1) gaseous C5H4 i.e C5H4 (g) 2) Oxygen gas i.e O2 (g) And the products…

Q: The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur oxygen chlorine…

A: Equation given is  2H2(g) + O2(g) ——> 2H2O(g)  2 mole of H2 react with 1 mole of O2

Q: estion 3 Consider the following chemical reaction. It is mostly balanced, but missing the proper…

A: balanced chemical equation occurs when the number of the different atoms of elements in the…

Q: How may moles of Al2O3 would be produced from the complete reaction of 17 moles of Al in the…

A: We have to compare the stoichiometric coefficient of desired reactant and products to have a…

Q: What is the mass percentage of C in codeine, C₁₈H₂₁NO₃? Provide an answer to two decimal places.

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Q: What is the mass percentage of O in C₃H₈O₂? A) 21.03% B) 57.94% C) 72.58% D) 42.06%

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Q: How many grams of O2 will be formed from 3.76 grams of KClO3?

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Q: Combustion of a hydrocarbon in a limited supply of air produces CO in addition to CO₂ and H₂O. When…

A: Combustion of 2.33 g of a hydrocarbon C2H5 in air produces 2.24 g CO, 3.53 g CO2 and 3.61 g H2O…

Q: Fill in the blanks.

A: The balanced chemical equation for this reaction is: NH3 + Br2 + H2O → NH4Br + HOBrNH3 is…

Q: If the decomposition of a sample of KClO3 produces 3.29 g of  O2, what was the mass (g) of the…

A: Write balanced equation

Q: Use stoichiometry to convert moles of Na3PO4 to moles of Ca3(P04)2.   mass of Na3PO4 (sodium…

A: A numerical problem based on mole concept. Na3PO4 and Ca(PO4)2 are prescribed whose molar…

Q: product

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Q: What mass of Fe is needed to produce 6 moles of Fe2O3?

A: The mass of 6.022 x 1023molecules/atoms of a substance is equal to its gram molecular mass or gram…

Q: Cryolite, Na, AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum…

A: To solve this problem, we need to balance the given chemical equation, determine the limiting…

Q: 6) 0.025 MOL OF AN IONIC COMPOUND AlaSp CONTAINS o.05 MOL CATIONS AND 4.5x1022 anions. Given: molar…

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Q: what mass in grams of H2O can be produced from 9.00 moles of O2?

A: In the given question we have to calculate the mass in gram of H2O. the balanced equation will be  2…

Q: What is the molecular weight of Mg (PO4)2

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Q: How many H atoms are there in (3.80x10^2) grams of H2O?

A: Number of moles = Mass/Molar mass Number of atoms in 1 mole = 6.0224 x 1023 Molar mass of water =…

Q: barium chloride hydrate Mass percentage of H2O in hydrate (%):

A: Mass percentage of H2O  in barium chloride hydrate ( BaCl2.H2O)

Q: What is the molar mass of CH3OH?

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Q: Calculate the formula weight of Mn(ClO4)2 • 4H2O.

A: Atomic weights of all atoms present in Mn(ClO4)2•4H2O is given,

Q: If 6 moles of Si and 6 moles of N2 are combined in a reaction flask, what remains in the reaction…

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Q: What is Angas for the following equation? 4 NH3 (g) + 3 O2 (g)=2 N2 (g) + 6 H,O (g) O 2 O 1 O 3 O -1…

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