Q: When this equation is balanced with the smallest set of whole numbers, what is the coefficient for…
A: A chemical equation is said to be balanced, if the number of atoms of each element or compound is…
Q: Calculate the molar mass of adrenaline (C9H13NO3), a hormone responsible for regulating heart rate…
A: Since molar mass of any compound is given by Molar mass = sum of ( Atomic mass of atoms X number of…
Q: What is the molar mass of Ba(NO3)2 in g/mol? (Answer with 2 decimal places.)
A: The question is based on concept of determination of molar mass. we have to determine molar mass of…
Q: lable Below, what is the percent composition of A in the compound A2E? Round to the nearest 0.01 and…
A: Given-> Atomic mass of A = 9.68 g/mole Atomic mass of E = 42.59 g/mole
Q: How many atoms of Cu are there in a 2.83 mole sample? Avogadro's number = 6.022 x 1023 %3D Answer in…
A:
Q: Calculate the number of N atoms in 0.917 mg of NH4NO3. Answer in scientific notation.
A: GIVEN:Mass = 0.917 mgMolecular formula of the compound = NH4NO3Molecular mass = 80.052 g/mol (…
Q: Which quantity has the greater mass? Group of answer choices 6.02x1023 H atoms 1 mol of He atoms
A: No. of moles = no. of atoms given ÷ Avogadro's number (Na) No. of moles of H atoms = 6.02×10^23 ÷…
Q: How many moles are in 56 g of C4N2? Your answer
A: The number of moles of an compound depends upon the mass of the compound. It can be calculated as…
Q: How many grams of C are in 35.1 g of C6 H10S? Express the number of moles to three significant…
A: Given, mass of C6H10S = 25.1 g Now, moles of C6H10S can be calculated as, moles of…
Q: How many atoms are in 86.5 g of potassium dihydrogen phosphate (KH,PO4)? number of atoms: 3.83 x1023…
A:
Q: how many moles are in 1x10-6 g of C7H14O2?
A:
Q: Calculate the mass percent composition of nitrogen in CO(NH2)2. Express your answer using four…
A: The percent composition of a component present in the mixture is calculated by dividing the mass of…
Q: How many moles of NaOH are in 2.2x1025 formula units of NaOH? Round your answer to 1 decimal place.
A: Given data, Formula units of NaOH = 2.2 × 1025 Formula units of 1 mole NaOH = 6.022 × 1023
Q: Calculate the number of N atoms in 0.549 mg of NH4NO2. Answer in scientific notation
A: We have to calculate the number of N atoms in 0.549 mg of NH4NO2.
Q: How many moles are in 2.45 x 10^23 molecules of Na2S?Answer In scientific notation.
A:
Q: Click in the answer box to activate the palette. Determine the empirical formula of a compound…
A: Empirical formula can be defined as the chemical formula representing the simplest whole number…
Q: Calculate the number of moles (n) in each of the following: Part A 85.9 g of Ni Express your answer…
A:
Q: How many molecules of O2 are in 4 g of O2? Answer using Canvas's scientific notation, "e". For…
A: Given that: Given mass of oxygen = 4g To find:…
Q: How many moles are in 8.009 grams of copper (ii) sulfate? Round to sigfig
A: Given that weight of copper sulfate (CuSO4) = 8.009 grams The molar mass of copper sulfate (CuSO4)…
Q: Calculate the molar mass of the following compounds. Please answer 1-2 and show your work. 1.…
A:
Q: Calculate the number of O atoms in 0.402 g of CaSO4 ·2H2O.
A:
Q: Calculate the number of moles in each of the following Part B 0.231 g of C Express your answer with…
A: Given that, Part-B: 0.231 g Carbon (C) We have to calculate the number of moles of carbon (C).…
Q: (The formula in this problem may not be a real molecule.) How many grams of hydrogen atoms are…
A: Given: The formula of the compound = C3H7 We have to find the mass of hydrogen atoms in the sample…
Q: The chemical formula for diethyl amine is: (CH,CH,), NH Calculate the molar mass of diethyl amine.…
A: mass of C= 12.01 g/mol mass of H= 1.00794 g/mol mass of N= 14.0067 g/mol
Q: Calculate the molar mass of C6H12O6. Show your work.
A: Molar mass = Sum of Atomic masses of all the atoms present in the molecule Since in each molecule…
Q: 1. -X- # 0.435 moles N, ::
A: For gaseous sample, At STP, molar volume can be used to convert from volume to moles and from…
Q: How many molecules are in 1 mole of CóH1206?
A:
Q: 1. How many moles would contain 32.0 g of C ?
A: Given: The atomic mass of Carbon=12 g/mol The given mass of Carbon=32 g
Q: Which is the larger quantity, 125.67 g of sodium acetate, NaC2H3O2, or 1.41 mol of sodium acetate?
A: Given :- Amount of NaC2H3O2 = 125.67 g Number of moles of NaC2H3O2 = 1.41 mol To determine :-…
Q: from the previous question convert 3 moles of H2 to molecules of H O 3 molecules of H2 O 1.806X1024…
A: Correct option is B. One mole consists of NA number of molecules. 1mole = NA number of molecules…
Q: Calculate the mass in g of 7.450 mol of NH3. Enter your answer in the provided box. g NH3
A: Given data, Moles of NH3 = 7.450 mol Molar mass of NH3 = [14 + (3×1)] g/mol = 17 g/mol
Q: 28.2 g NO2 Express your answer in moles to three significant figures. ΑΣφ mol NO2 Submit Request…
A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…
Q: Convert : 60 grams of O, --> _Moles of O,. (Use 32.00 grams = 1 mole of O, as the molar mass.) *
A: Ratio of mass of compound to the molar mass of that compound is known as number of moles.
Q: How many moles of sulfur atoms are there in a sample that consists of 1.79e+20 formula units of…
A: Use formulas Mole=mass÷molar mass Total molecule/formula unit=mole×6×1023 Mass= 28.64×10-3gm
Q: What is the mass in grams of 250 liters of oxygen gas, O2? Answer the equation in the format in the…
A: One mole of any gas contains 22.4 literof volume.
Q: Clik in the answer box to activate the palette. Determine the empirical formula of a compound…
A:
Q: What is the % nitrogen by weight in 7 g of (NH4)2S (ammonium sulfide)? Answer in units of %.
A: Mass of ammonium sulfide (NH4)2S given = 7 g Molar mass of ammonium sulfide = 68.154 g/mol Mass of…
Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…
A: Mass percent of an element:
Q: Quinine, C20 H24N2O2, is a component of tonic water and bitter lemon. Part C How many moles of…
A: Number of moles of N = number of moles of quinine × number of N per mole of quinine
Q: convert 15g to moles of 02 (g) 0.47moles O2 %3D | 32g %3D Answer here
A: The expression given is,
Q: How many moles are in 3.2 x 1024 of CO2 molecules? (round answer to the correct number of sig figs)
A: Given : Number of molecules of CO2 = 3.2 X 1024 molecules.
Q: How many moles of Al2(CO3)3 are there in 127 g of Al2(CO3)3 ? Round your answe to 2 decimals. Your…
A: The formula mass of a substance is the sum of the average atomic masses of each atom represented in…
Q: y moles of H
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: =5.90 bar. kl/mol
A:
Q: How many fluorine atoms are present in 5.56 g of C2F? Express your answer to three significant…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: How many grams of H2SO4 are present in 4.0*102 formula units of H2SO4? Round your answer to 1…
A: Solution : Avogadro's number gives the number of particles present in one mole of the compound.…
Q: How many moles are in 2.57 x 1024 formula units of NaOH? Round your answer to 3 sig figs, and DO NOT…
A: 1 moles of any substance contains 6.022×1023 (Avagardo's number)atoms/molecules/ formula units of…
Q: An unknown organic compound containing 3 COOH groups has a molar mass of 110.01 g/moles. What is the…
A:
Q: How many mol of C10H22 would you have if you have 90.13 grams? Answer to 2 decimal spaces.
A: Given : mass of C10H22 = 90.13 g To calculate : number of moles of C10H22
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- Calculate the mass percent composition of nitrogen in CO(NH2)2. Express your answer using four significant figures.How many mols of H2 can be made from the complete reaction of 4 mols of AL? Given: 2AL + 6HCL--->2ALCL3 + 3 H2 please give answer with the correct number of significant digits.Calculate the number of O atoms in 0.402 g of CaSO4 ·2H2O.( Answer in Scientific Notation)
- What is the percent by mass of oxygen in ethylene glycol, C2H4(OH)2? The answer is …………………………. 4An unknown organic compound containing 3 COOH groups has a molar mass of 110.01 g/moles. What is the theoretical NE value? Answer should be a whole number.Calculate the molar mass of adrenaline (C9H13NO3), a hormone responsible for regulating heart rate and other functions of the sympathetic nervous system. Express your answer to five significant figures.
- Determine the molar mass (also known as molecular weight or molecular mass) of the following molecule: Mg1S2(C1O2)2 Enter your answer as a number with at least 3 decimal places.This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel refining): NICO4 A chemical engineer has determined by measurements that there are 0.027 moles of nickel in a sample of nickel tetracarbonyl. How many moles of carbon are in the sample? Round your answer to 2 significant digits.Which quantity has the greater mass? Group of answer choices 1 mol of C2H4 molecules 3.01 x 1023 C2H4 molecules