Calculate the % Composition of the elements that make up Sodium Nitrate. % Na , % N, % O a) 43.4% Na, 26.4% N, 30.2% O b) 27% Na, 16.5% N, 56.5% O c) 33.3% Na, 20.3 % N, 46.4 % O d) 22.99% Na, 14.01% N, 48% O

Q: Calculate the mass % of 2.50 g Na3PO4 + 10.0 g H2O

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Q: The density of acetic anhydride (C4H603) is 1.08 g/mL. Calculate the moles of acetic anhydride…

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Q: A 0.5000 g sample containing NaCl (58.44 g/mol), BaCl2 (208.23 g/mol), and 11.56% by mass of…

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Q: The molar mass of calcium hydroxide, Ca(OH)2, is O 54.02 g/mole O 58.09 g/mole O 114.2 g/mole 74.10…

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Q: How many g are in 35 mg? O 3.5 g O 35 g O 0.035 g O 35,000 g

A: Given,  35mg of any substance.  It converted to gram.

Q: What is the mass percent of bromine in lithium bromide?? 1.47.6% 2.52.4% 3.92.01% 4.7.99%…

A: Answer: option 3) 92.01 % is the mass percent of bromine in lithium bromide.

Q: CH4(g) + 2 O2ie) CO2(g) + 2 H2O(g) What mass of water is produced by the complete reaction of 10. g…

A: Given the balanced reaction, CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) mass of methane = 10. g

Q: A sample is known to be a mixture of NaHCO3 and KHCO3. 186.2 g sample of that mixture was analyzed,…

A: 1. Determine the percent of KHCO₃ in the mixture.Given:The mixture contains NaHCO₃ and KHCO₃.The…

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

A: Given reaction is, K2SO4(aq) + FeCl3(aq)--------->??

Q: 45. Complete the table. Mass Solute 15.5 g 22.8 g Mass Solvent 238.1 g 183.3 g 215 Mass Solution…

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Q: 2. How many grams of K2SO4 are there in 0.123 mole of K2SO4? (Hint: you need to calculate the molar…

A: Using molar mass of K2SO4 and mole concept we can solve this problem.

Q: Chalk is composed of calcium carbonate, CaCO3. What is the percent by mass of calcium in calcium…

A: The objective of this question is to calculate the percent by mass of calcium in calcium carbonate…

Q: Given the graphical data corresponding to the reaction shown, what is the concentration after 75…

A: From the given plot , first we determine integrated rate law as per given plot and order.  Then…

Q: What is the mass of H₂SO4 in an 89.5 cm³ sample of concentrated sulfuric acid that has a density of…

A: The given data is as follows:Volume of sulphuric acid, Density of sulphuric acid,

Q: A mixture contains NaHCO3 together with unreactive components. A 1.62 g sample of the mixture reacts…

A: Use stoichiometry of the reaction to get answer.

Q: Suppose 7.5 g of Compound A are consumed in a reaction with 3.5 g of Compound B that produces only…

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Q: what is the percent by mass of hydrogen in the preservative formaldehyde CH2O 6.713% 53.29%…

A: Given formula is , CH2O Formula mass= 30.026 g/mol

Q: Calculate the percent composition by mass of each element in Al(OH)3. Use at least three significant…

A: 1 mol of Al(OH)3 contains 1mol of Al, 3 mol of O and 3 mol of H atoms.  Molar mass of Al(OH)3 =…

Q: What are the balanced equation for the following reactions  a. Na(s) + Cl2(g)     →     NaCl (s)…

A: To write the balanced equation for the following reactions: a. Na(s) + Cl2(g)  →  NaCl (s) b.…

Q: Determine the % composition for each element in Al 2 (SO 4 ) 3 ?

A: To find the percent composition of Al₂(SO₄)₃, you divide the total mass of each atom by the…

Q: What is the mass percent of hydrogen in methane CH4?   25.13%   16.13%   20%   50%

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Q: Calculate the % composition by mass of each element in phosphorus oxychloride POCl3. Keep at least…

A: Mass composition explanation the amount  of each elements present in whole sample.

Q: What is the molarity of a solution that has 5.024 X 1023 atoms of Glucose (C6H12O6)?

A: Assuming there is one litre of solutionGiven5.024x 1023 atoms of glucose are present

Q: Consider the following reaction: 4NH3 +502 --> 4NO + 6H,O. In an experiment, 3.25 g of NH3 are…

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Q: An unknown compound contains only carbon, hydrogen, and oxygen. Combustion of a 16.45 mg sample…

A: mass of sample = 16.45 mg = 0.01645 g mass of CO2 = 38.93 mg = 0.03893 g mass of H2O= 15.93 mg =…

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".