A mixture was found to contain 1.01 g SiO2, 0.730 g of cellulose, and 2.16 g of calcium carbonate. What is the percentage of SiO, in the mixture? • View Available Hint(s) Hνα ΑΣφ ?

Q: 3. A student carried out the synthesis of aspirin as described using 3.00 g of salicylic acid and…

A: #3: Mass of salicylic acid (MW = 138.12 g/mol) used = 3.00 g  Volume of acetic anhydride used, V =…

Q: How many grams of NH3 can be formed from 0.492 moles of N2

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: What mass of oxygen will be produced by heating 400. g of potassium chlorate? KCIO3(s)->KCI(s)+02

A:

Q: Macmillan earning A newly discovered metalloprotein, which contains two atoms of Cd per molecule of…

A: To solve this problem we have to find the molar mass of protein having two atoms as Cd .

Q: How many moles of lithium hydroxide would be required to produce 31.5 g of Li₂CO₃ in the following…

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Q: What's the balanced chemical equation of NaOH and CuSO4?

A: The reaction of CuSO4 and NaOH is a double displacement reaction

Q: a) b) Br OH OH NHPh CI OH +E

A: The question is based on the concept of organic synthesis.We need to synthesize the product using…

Q: How many moles of NaOH are required to react completely with 1.00 mole of sulfuric acid?

A: Given that, Moles of sulfuric acid= 1.00 mol  Moles of NaOH= ?

Q: What mass of H2O forms from the reaction of 4.1 g of O2 with an excess of H2?

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

A:

Q: Balance the following chemiccal equation  C12H26(s) + O2(g) --> CO2(g) + H2O(l)   Combustion of…

A: We have to balance the following given chemical equation    C12H26(s) + O2(g) --> CO2(g) + H2O(l)…

Q: When the following net ionic equation is properly balanced, what are the coefficients for Cu, NO3–,…

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Q: What mass of O2 can be made from heating 125 g KCLO3?

A: Answer:- This question is answered by using the simple concept of writing the chemical equation and…

Q: How many moles of N2O4 can be formed from 4.25 g NO2?

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Q: How many grams of Fe can be produced from 20.0 grams of Fe2O3 and 20.0 grams of CO?

A: Ferric oxide reacts with carbon monoxide to form iron and carbon dioxide. Write the complete…

Q: How many grams of magnesium nitride is required to produce 25.00 g of magnesium hydroxide? Mg3N2 +…

A: Given  Mass of Mg( OH )2               = 25 gram  mass of magnesium Nitride  =  ?

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: how many moles of Al2O3 can be formed by 19.2 grams of O2?

A: We will consider only oxygen moles not aluminium moles assume aluminium amount is in excess.

Q: The human body consumes about 1.142 x 10-2 mol O2 every minute. If all of this oxygen is used for…

A: In cellular respiraction, glucose break down in to carbon dioxide and water in presence of oxygen.…

Q: Complete and balance the following equations: (a) NaOCH3(8) + H2O(I) (b) CuO(s) + HNO;(aq) (c)…

A: The complete balanced chemical equation for the given reactions are:

Q: 21. (a) Write the balanced chemical equation for the combustion of propane (C3H3). How does the…

A: Combustion reactions are those chemical reaction which takes place when oxygen reacts with…

Q: 15 mL of Cl2O7 (density = 1.9 g/mL) reacts with 10. mL of H2O (density = 1.0 g/mL). How many…

A: we have the equation as Cl2O7 + H2O→2HClO4 We know that, Density =MassVolume Hence Mass=Density X…

Q: _Fe2O3 (s) + H,O (1) Fe(ОН); (s) е.

A: Balanced equation means number of atom in reactant side is equal to number of atom in product side.…

Q: If 6.8 g of a hydrocarbon that is 83.2% C by mass is burned with O2 to make CO2 and H2O,  what mass…

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Q: Balance the following equation: CGH6 (1) + 02 (g)→ CO2 (g) + H20 (g)

A: First balance the carbon atoms then then balance H and O

Q: How many grams of Zn can be produced by heating 81g Al with zinc chloride?

A: Aluminium reacts with zinc chloride to form zinc metal and aluminium chloride. The equation for the…

Q: Give balanced reactions for the following: methane (CH4) reacts with oxygen to give carbon dioxide…

A: Answer:When a hydrocarbon is burned in presence of oxygen, it forms carbon dioxide and water and…

Q: How many moles of lithium hydroxide would be required to produce 35.0 g of Li₂CO₃ in the following…

A: Given: mass of Li₂CO₃ = 35.0 g molar mass of Li₂CO₃ = 70.0 g/mol

Q: A flame test was carried out on solid sodium carbonate. The flame colour will be A Red O B Lilac C…

A: Sodium carbonate : NaHCO3

Q: A major component of honey is fructose (C6H12O6) with a molar mass of 180.16 g/mol. A tablespoon…

A: