Calculate the mass percent of H2O2

Q: Calculate the mass percent of H in B4H9CI. %

A:

Q: Calculate the mass of sodium in 21.5 g of NaCIO3. O 32.9 g O 4.65 g O 0.202 g O 0.465 g

A:

Q: Calculate the mass in grams of iodine (I2) that will reactcompletely with 20.4 g of aluminum (Al) to…

A: Given data contains, Mass of aluminum is 20.4 g.

Q: how many moles of Fe3O4 are required to supply enough iron to prepare .260 mol Fe2O3?

A: 1 mole of Fe2O3 contains 2 moles of Fe. Hence, 0.260 moles of Fe2O3 will contain 0.260 * 2 = 0.520…

Q: Starting with the following equation, KOH(s) + CO2(g) → K¿CO3(s) + H¿O(1) calculate the mass in…

A:

Q: Calculate the theoretical mass percent of barium in BaCl2∙2H2O.

A:

Q: percentage by mass

A:

Q: What would you need to do to make C14H21O14 an empirical formula?

A: To find emperical formula.

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

A:

Q: What is the mass percent of carbon in oxalic acid, H2C2O4

A: Since we know that mass percent of any element in a compound is calculated as  Mass % of element =…

Q: Ammonium dihydrogen phosphate, formed from the reaction of phosphoric acid with ammonia, is used as…

A:

Q: Which element comprising Ma(OH)2 has the highest percentage by mass?

A: The compound given is Mg(OH)2. Assuming 1 mole of Mg(OH)2.

Q: Calculate the mass percent composition of each element in a potassium ferricyanide, K3Fe(CN)6…

A: Ratio of mass of particular element in the molecule to the mass of molecule multiply by 100 is known…

Q: What is the molar mass of phosphorus pentachloride (PC15)? O 190.30 g/mol O 208.22 g/mol O 172.75…

A:

Q: Calculate the mass percent of H2O in CuSO4•5H2O

A: Mass of water = 5 x 18 = 90 g Molar mass of CuSO4.5H2O = 249.5 g/mol

Q: 45). Calculate the percent by mass of each element in the following compounds. HClO₃ UF₄ CaH₂

A: percent by mass of each element in the compound is calculated by the ratio of mass of one element in…

Q: Determine the molecular weight of Ca(NO3),

A: The given molecule is Ca(NO3)2.   The molecular weight of each atom in the given molecule is, Ca =…

Q: Calculate the percent composition by mass of scandium in Sc203-

A: Molar mass of Sc = 44.95 g

Q: Is C6H12O6+ 9O2→ 6CO2+ 6H2O balanced?

A: A balanced chemical equation is that in which all the reactants and products are written with their…

Q: Calculate the amount in grams in 2.245⋅10^8 atoms of curium

A: Answer :-   Amount in grams in 2.245 × 108 atoms of curium = 9.21 × 10-14 g…

Q: Calculate the percent composition of sodium in borax ,Na2 B2 O7 used in commercial laundry process.…

A: The given data is as follows: The atomic mass of Na = 23 The atomic mass of B = 10.81  The atomic…

Q: Calculate the mass percent of N in (NH4)2SO4.

A:

Q: Calculate the mass percent of chlorine in Mg(ClO4)2.

A: We know that, Molar mass of Cl = 35.45 g/mol Molar mass of Mg(ClO4)2 = 223.206 g/mol

Q: If 21.6g of carbon dioxide is produced in the reaction below, what mass of water is also produced?…

A: Firstly find the moles of CO2 , then according to mol ratio the moles of water can be found out.

Q: Calculate mass (in grams) of sodium in 8.5 g of sodium-containing food additive. Na3PO4 (sodium…

A: To calculate the mass of sodium in 8.5 g of  Na3PO4 (sodium phosphate)

Q: Cl2(g) + Al(s) AlCl3(s) 70.90 g/mol 26.98 g/mol 133.33 g/mol a. Calculate the theoretical yield of…

A: Given :         2Al (s) + 3Cl2 (g) ->  2AlCl3 (s) 1 mol      3 mol           2 mol Molar masses:…

Q: What mass of oxygen would be in a 124.56g sample of sodium thiosulfate Na2S2O3?

A: Given that:  Mass of Na2S2O3 = 124.56g  Molar mass of Na = 23g/mol Molar mass of S = 32g/mol Molar…

Q: Calculate the mass percent of 0 in ClO,F.

A: Given compound is ClO3F  Molar mass of Cl = 35.5 g/mol  Molar mass of O = 16 g/mol  Molar mass of F…

Q: What does Na3PO4 + Cu(NO3)2 yield? What is the total ionic equation? What is the net ionic equation?

A: A chemical equation in which the electrolytes of aqueous solution are represented as dissociated…

Q: Which is the greatest mass of SO2 that can be produced from 15 mol of Cu2S? 480g O 961g O 1920g O…

A: Given Reaction,2 C42 S + 3O2 → 2 C42O + 2 SO2Moles of C42S = 15 molMass of SO2 produced = ?

Q: Determine the percent composition by mass of all elements in Mn,O5.

A:

Q: What is the empirical formula for C6H2O6

A: Empirical Formula = C3H1O3

Q: what is the mass percent for O in so3

A:

Q: What is the mass percent composition for each element for C2H6O2

A: The mass percent of an element in the compound can be calculated by dividing the mass of element…

Q: 2. If 2.500 g of Na2CO3 is used in the reaction, calculate the theoretical yield of NaCl.

A: Na2CO3 + HCl -----------> NaCl + H2CO3 1 mole of Na2CO3 to 1 mole of NaCl Given :  Weight of…

Q: How many grams of sodium oxide (Na2O) are produced from 3.55 g of Na?

A: The reaction for the formation of sodium oxide can be expressed as,                         2 Na + O…

Q: percentage of mass of Cl in the sulfate salt [Ni(H2O)4Cl2+]?

A:

Q: What is the mass percent of hydrogen in the following compound? C4H8O4

A: C4H8O4 molecules contain 4 carbon, 8 Hydrogen and 4 oxygen atoms.   The mass of 1 mole of C4H8O4 is…

Q: Rank the following compounds in order of increasing mass percentage of nitrogen: NO, NO₂, N₂O.

A: NO :Formula to find the % of N :% of N = (mass of N / molar mass of the compound ) X 100…

Q: What is the mass percentage of C in CH;CH,OH? 52.144 % 3.

A: The given question is based on the knowledge of the determination of the empirical formula of the…

Q: 12KOH + 6I2 -> 10KI + 2KIO3 + 6H2O calculate the number of moles of iodine (elemental) to produce…

A: We have to find out the number of Mole of I2 to formed 10 mole of KI

Q: What is the mass of a 5.521 mole sample of MgCl2? O 17.26 g O 100.7 g O 525.7 g O 256.1 g

A: The given substance contains 5.521 moles of MgCl2. The mass of magnesium chloride can be determined…

Q: What is the empirical formula for C12H12N2O3?

A: Empirical Formula : It is the simplest whole number ratio of elements in a compound.

Q: what are there molar mass? K3[Fe(CN)6] and K4[Fe(CN)6]

A:

Q: Calculate the mass percent of H in C3H120.

A:

Q: What is the maximum mass of ammonia that can be produced from a mixture of 1.40 x 10' g N, and 4.60…

A: Given data, According to the stoichiometry, One mole ( 28.014 g ) of nitrogen will react with three…

Q: Calculate the percentage by mass of nitrogen in PtCl2(NH3)2.

A:

Q: Calculate the percent composition of oxygen in N2O4

A: The mass percent composition of Oxygen in N2O4 is given by

Q: Starting with the following equation, Fe₃O₄(s) + CO(g) → Fe(l) + CO₂(g) calculate the mass in grams…

A:

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".