Calculate the percent by mass of nitrogen in ammonium carbonate,(NH)2CO3 A 27.8% в) 33.3 % c) 17.1% D 29.2% E 14.5 %

Q: Calculate the molar mass of each of the following:(a) Sr(OH)2      (b) N2O3     (c) NaClO3     (d)…

A: Molar mass of the (a) Sr(OH)2 -molar mass of the Sr=87.62 g/molmolar mass of the  O=16.00 g/molmolar…

Q: ind the percentage composition: a. Sodium Carbonate tetra hydrate Na2CO3 .4H2O b. Zinc Phosphate

A:

Q: Calculate the molar mass of each of the following: (a) Sr(OH)2 (b) N2O3 (c) NaClO3 (d) Cr2O3

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Calculate the number of motes for 5.34 x10 molecules of Zinc. 25

A: Solution of question is given below.

Q: Tin (Sn) exists in Earths crust as SnO2. Calculate the percent composition by mass of O and Sn in…

A: To find the percent composition by mass of O and Sn in SnO2, first we need to find how much amount O…

Q: Calculate the molar mass of each: (a) Pd(NO3)4 (b) C6H10O

A: Molar Mass: The summation of molecular weight of each element present in the compound gives molar…

Q: Calculate the empirical formula of a compound which contains 47.3 percent C, 10.6 percent H, and…

A: The unknown compound contains 47.3% C, 10.6% H, and 42.1% O by weight   We know that --- the atomic…

Q: Calculate the number of mol corresponding to:a. 20.0 g He b. 0.040 kg Na c. 3.0 g Cl2

A: Number of moles of an element is equal to the mass of element divided by its molar mass. a.…

Q: Calculate the percent composition for C6H5NH2? C=77.38% H=7.58% N=14.04% C=76.33% H=7.11% N=7.04%…

A: The atmic mass of each elemts are as follows:H=1; C=12; N=14The moecular mass of C6H5NH2…

Q: Which of the following has the highest percent composition of oxygen? Na2CO3 LINO3 LizO Cuo cannot…

A: From the  given compounds, which has highest percent composition of oxygen has to be identified.

Q: Trichloroethylene (TCE) is a common solvent used to degrease machine parts. Calculate the empirical…

A: Empirical formula is the simplest representation of the elements present in the compound. Molecular…

Q: the

A:

Q: The percent composition of bismuth oxide is 89.7% Bi and 10.3% O. Calculate the empirical formula.

A: The simplest way of representing the elements in the given compound is called as the empirical…

Q: The percent composition of nitrogen in (NH4)2S

A: Percentage composition may be defined as ratio of individual molar mass of an atom to the total…

Q: Mass of empty beaker + watch glass: 154.00g Mass of beaker and hydrate (before heating): 155.58g…

A: Hydrated salts are those which contain water of hydration associated with it. When the water of…

Q: Calculate the percent composition by mass of each element (Pb, C, O) in lead(II) carbonate.

A: Complete solution is given below in next step

Q: An 8.00 gram sample of the hydrated salt, CoCl2 x XH2O was thermally decomposed into anhydrous…

A: Given: Mass of hydrated salt = 8.00 g. And the mass of anhydrous salt obtained = 4.370 g.

Q: The analysis of a compound gives the following percent composition by mass: C: 61.85 percent; H:…

A: The percentage composition of the compound is given to be: 61.85% C 10.67% H 9.175% S 18.31% O

Q: Calculate the number of mol corresponding to:a. 15.0 g NaCl b. 15.0 g Na2SO4

A: Given, Mass is given. Formula Used, moles (n)=Given MassMolar Mass

Q: Determine the percent composition of silicic acid. The chemical formula is H4O4Si.

A: Percentage composition is calculated by dividing the mass of single element with molecular mass of…

Q: hat is the percent composition by mass of copper in 80.0kg of copper (ii) phosphate

A: To calculate the percent composition by mass of copper in 80.0kg of copper (ii) phosphate.

Q: what is the percent by mass of oxygen in citric acid? (MM=192.12 g/mol)

A:

Q: Calculate the percent composition for: (NH)2C204

A: The compound given is (NH4)2C2O4. In the compound, there are, 1) 2 N atoms 2) 8 H atoms 3) 2 C atoms…

Q: Calculate the percent composition by mass of Z in the following generic compound: X(YZ3)2   Molar…

A:

Q: What is the percent (by mass) water CaSO4.2H22O?

A: Here, we have calculate % by mass of H2O in CaSO4.2H2O.

Q: What is the percent composition by mass of Cu3(PO4)2

A: The percent composition by mass can be calculated as, Percent composition by mass=Molar mass of…

Q: Determine the formula mass (molar mass) and % composition for each of the following A) Na2SO4 B)…

A: To write the formula mass (molar mass) and % composition of: Na2SO4? C6H12O6? (NH4)3N?

Q: 1. What is the percent by mass (percent composition) of each element within the compound magnesium…

A: Hi, Since you have posted multiple questions, we will solve first question only. If you want, all…

Q: Assume vit K1 makes up 0.052% ( by mass) of cilantro. How many moles of vit K1 is there in your…

A: Vit K1 makes up 0.052% (by mass) of cilantro. 1 tsp of cilantro is used here and volume of 1 tsp is…

Q: What is the Percent of composition of Ethylene glycol?   molar mass = 62.048

A: Ethylene  glycol- Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the…

Q: -Calculate the molarity of 28% HCl (36.4 g/mol.), d(1.477 g/L).

A:

Q: Determine the empirical formula of a compound that has a percent composition of 11.4% P and 88.5%…

A:

Q: Flask A contains 1.00L of NH3 Flask 2 contains 1.00L of NO2 and flask 3 contains 1.00L of N2 which…

A:

Q: What is the percent composition of oxygen in FeSO47 H20? O 63.3% O 23.0% O 40.3% O 20.1% O 28.8%

A: We have given the compound FeSO4.7H2O

Q: 13. Calculate the percent composition of each element in Ca(CN)2

A:

Q: Calculate mass of phosphorous atoms in 117 g of P2O5. M(P2O5) = 284 g/mol; M(P) = 31 g/mol Answer:…

A:

Q: Is N2O4 molecular or empirical formula

A: Molecular formula : The molecular formula shows exact number of different types of atoms present in…

Q: What is the percent composition of sodium in 72g of Na3PO4

A: The compound given is Na3PO4

Q: What is the percent composition by mass of the hydrogen in (NH,)2HPO,? (3 pts) x Clear AUndo Redo

A: Percent composition by mass of the hydrogen= 6.82%

Q: Determine the percent ammonia, NH3, in Co(NH3)6Cl3.

A: In Co(NH3)6Cl3, 6NH3 are there.  Molar mass of 6 NH3 = 6x17.04 = 102.24 g/mol Molar mass of…

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: A mole of the water is: 12.0000 g H2O one H20 molecule O 6.02 x 1023 g H2O 6.02 × 1023 H20 molecules…

A:

Q: Siven the unbalanced chemical equation, C5H12(1) + O2(g) → CO(g) + H20(1), which one of the pllowing…

A: The reaction given is, => C5H12 (l) + O2 (g) -------> CO (g) + H2O (l)

Q: A laboratory analysis of vanillin, the flavoring agent in vanilla, determined the mass percent…

A: An empirical formula is a type of chemical formula that expresses the proportion of elements in a…

Q: Calculate the following quantities: (a) number of H atoms in 0.585 mol C4H10

A: Moles of C4H10 given= 0.585 moles  To calculate : no. of H atoms in it.

Q: Calculate the percent composition of titin. C169723H270646O52243S912

A: We have to find out the percent composition of each element in titin in the given formula…

Q: Determine the percent (%) composition of the following. What is the % of calcium (Ca) found in CaCO3…

A:

Q: Calculate the percent composition by mass of calcium in Ca(NO3)2

A: The molar mass of calcium nitrate can be calculated as follows-

Q: Calculate the percent composition for H2O. O H=11.19% O=88.81% O H=12.00% O=90.88 O H=10.32%…

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

Q: How many moles of Pb(SO4)2 are equivalent to 186.7 g of Pb(SO4)2 (Mw. 399.34 g/mol)?

A: Number of moles = mass /molar mass