5) (NH4)2CO3 6) C6H1206. 7) iron (II) phosphate 8) ammonium sulfide. 9) Zn(C2H302)2 10) silver fluoride

Q: AB2 + 2 C --> 2 CB +  A (OR A B2 + 2 C right arrow 2 C B + B) Calculate the number of molecules of…

A: Given, AB2 + 2 C --> 2 CB +  A mass of AB2 react = 1.000 × 101 g = 10 g mass of C react = 9.5600…

Q: Calculate the percent by mass of each element in the following compounds to one decimal place. a.…

A: The Answers to both the questions are given as:

Q: What is the answer to the following problem, reported to the correct number of significant figures?…

A: a)part Given data (8.000-7.009)/(10.00*0.010000)solution: 0.991/0.1=9.91Significant figure is…

Q: The hydrogen atoms in 45 g of a sample of ammonium oxalate( NH4)2C2O4 are:Single choice.

A:

Q: For numbers 20-25: Nitric acid is prepared from the reaction of 69.0 grams of nitrogen dioxide with…

A: Using stoichiometric ratio we can determine how many moles of reactant used during the reaction and…

Q: , A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A: The empirical formula of a chemical compound is the simplest positive integer ratio of atoms present…

Q: QUESTION 10 An oxide of iron has the formula Fe 30 4. What mass percent of iron does it contain? O…

A: Formula of the compound is Fe3O4. Molar mass of Fe3O4 = 231.53g/mol

Q: Mass-Mass Calculations 30) How many grams of chromium (III) chloride are required to pro- duce 75.0…

A:

Q: find the number of particles of 35.0 grams of each of the following: Ag, CF4,C6H12O6?

A:

Q: The bitter-tasting compound quinine is a component of tonic water and is used as a protection…

A:

Q: Determine the formula weights of each of the following compounds: (a) nitric acid, HNO3; (b) KMnO4;…

A: a) Nitric acid, HNO3 Formula weight = Atomic mass of H + atomic mass of N + (3 x atomic mass of O)…

Q: An unknown compound E20, is 30.45% by mass of E. E is a nonmetal. Which of the following statements…

A: given data  E is a nonmetal with the mass 30.45% molecular formula is E2O4

Q: Calculate mass recovered.  Calculate percent recovery.  initial mass: 2.09 g watch glass + filter…

A: The question is based on the concept of experimental calculations. we have to calculate mass…

Q: Mass spec: M = 161 (100%), 163 (33%). Which of the following is %3D a possible molecular formula?…

A: In this mass spectrometry data, we are given two peaks whose intensity ratio is also given . So we…

Q: A compound had the following % composition by mass: C= 25.4%; H=3.2%; Cl=37.5%; 0=33.9% a)…

A: Molecular weight: It is defined as one mole of a substance No of moles= WeightMolecular weight…

Q: View Policies Current Attempt in Progress Most chemistry laboratories have balances that can weigh…

A:

Q: Please check my work. Analyze the data for the sample to get the Empirical formula of CxHy Given…

A:

Q: 40. CSH1005 is an example of a/an c. structural formula d. nuclear formula a. empirical formula b.…

A:

Q: View Policies Current Attempt in Progress An unknown compound contains nickel, phosphorus, and…

A:

Q: How many C atoms are in 1.00 mole of C12H22O11?

A:

Q: ntal analysis of 49.48% carbon, 5.190% hydrogen, 16.47% oxygen and 28.85% nitrogen. It has a molar…

A: From percent mass can be calculated, after knowing the mass it can be converted into moles and then…

Q: What is the empirical formula of a compound that is 42.85% C, 4.79% H, 33.32 % N and 19.03% O by…

A: Empirical formulas show the simplest whole-number ratio of atoms in a compound.

Q: Unknown Analysis: Calculate the mass spec. of 88g per mole. (show calculations and formulas) Below…

A:

Q: Calculate the mass in grams of each of the following and provide the answer in scientific notation…

A: To solve this problem we will use the formula  1 mol of any substance = 6.022 × 1023 atoms

Q: The reaction of 2.8 g of aluminum hydroxide with 65.5 mL of 4.5 M HCl will produce g of AlCl3 and g…

A: Introduction : We have to calculate mass of AlCl3 and water . mass of aluminium hydroxide =2.8 g…

Q: Calculate the mass percent of Carbon (C) in Carbon dioxide (C02).A. 27.3% CB. 42% CC. 37.5% CD. 100%…

A: The mass percentage is calculated as the mass of a component divided by the total mass of the…

Q: Carbon and silicon dioxide react to form silicon carbide (SiC, molar mass = 40.1 g/mol) and carbon…

A: Given: Mass of C = 44.0 g. Mass of Si = 44.0 g. And yield of the reaction is 100 %.

Q: How many oxygen atoms are there in 2.10 g of Al2(S208)3 (MW A12(S208)3 = 630.34 amu) %3D O a. 4.82 X…

A:

Q: How many oxygen atoms are there in 3.15 g of Al2(S208)3 (MW A12(S208)3 = 630.34 amu) O a. 2.41 X…

A: Given that,  Amount of Al2(S2O8)3 = 3.15 g Molar mass of Al2(S2O8)3 = 630.34 amu Moles of Al2(S2O8)3…

Q: For numbers 20-25: Nitric acid is prepared from the reaction of 69.0 grams of nitrogen dioxide with…

A: Balanced chemical reaction: 3NO2 + H2O .....> 2HNO3 + NO  Mass of NO2 = 69.0g Mass of H2O = 36 g

Q: 5) (NH4)2C03 6) C6H1206 7) iron (II) phosphate, 8) ammonium sulfide 9) Zn(C2H302)2. 10) silver…

A:

Q: Find the number of representative particles in each of the following:show complete solution pleasee…

A:

Q: Please show all work. 1. Find the mass of 4.52 x 10^23 particles of each of the following: N2…

A: Hello. Since the question contains multiple parts, the first three parts are solved. In case the…

Q: Calculate how many billion years it will take to build 1 mole of a molecule with a formula of…

A: Given formula: CnH2n+2  n=6  So the formula becomes C6H14

Q: An unknown compound E20, is 30.45% by mass of E. E is a nonmetal. Which of the following statements…

A: Given: The unknown compound=E2O4. The mass% of E=30.45%. E is non metal.

Q: What is the empirical formula for C3H10N4O2 CHNO C4HSN20 O C3H10N402 O CAH10N202 O C2H2N2O2

A: the empirical formula is the formula in which the elements are combined in the simplest whole number…

Q: Calculate the % Composition of aspartame. C14H18N2O5 A. C: 60.19% H:6.10% N:10.52% O:26.31%   B.…

A: Ans: B. Step 1: composition of atom is divided by its atomic mass. Step 2: Above values are divided…

Q: What is the relative formula mass of Mg(OH)2? * А 21…

A: Relative formula mass : The relative formula mass of a substance made up of molecules is the sum of…

Q: Current Attempt in Progress What is the mass of 4.63x 1012 atoms of Fe? O 9.76 x 10 10g O 2.73x 10…

A:

Q: Considering the chemical equation :below C2H3B13 + 11 O2 → 8 CO2 + 6 H20 + 4 6 Br2 What is the…

A: The balanced reaction taking place is given as, => 4 C2H3Br3 + 11 O2 -----> 8 CO2 + 6 H2O + 6…

Q: Calculate the number of moles of carbon atoms present in eachof the followingsamples.l…

A: The given mass of ethanol = 1.271 g The molar mass of ethanol = 46.0 g/mol.

Q: What is the mass percentage of N in the compound N2O3? Select one: a. 40% b. 36.8 % c. 64.3 % d.…

A: Given, mass percentage of N in the compound N2O3 = ? The formula used here is, mass percentage of…

Q: Which one of the following is definitely NOT an empirical formula     C₄H₁₂N₂O C₁₂H₁₆O₃ C₆H₁₂O₃…

A: Given : Some of the formulas of the compound are given. To find: which of the following is not an…

Q: What is the mass percent of calcium in CaCO3? 25.7% 33.3% 60.0% 15.0% 40.0%

A: The compound given is CaCO3. Assuming 1 mole of compound.

Q: What is the molar mass of calcium nitrate: Ca(NO3)2? Round answer and elements to the tenths place.…

A: The molar mass of calcium nitrate has to be determined. The atomic weights are given below: Ca=40.1…

Q: Problem attached

A: The given data contains, Amount of CaSO4.2H2O = 0.402 g Molar mass of CaSO4.2H2O= 172.17 g/mol.

Q: 1. A mixture was found to contain 1.50 g of NH4CI, 0.80 g of NaCI, and 1.20 g of SIO2. What is the…

A: It is  mass percent of individual atoms or individual compound is divided by  total mass of mixture…

Q: Question attached

A: The non-metals are the element that has the ability to accept an electron from metals. These are…

Q: What is the average mass, in grams, of one Zn atom? Multiple Choice O 65.39 g 65.39 amu O 109 x 10…

A: Given atom - - > Zinc (Zn) Molar mass of Zn atom = 65.38 g/mol Avagadro's number = 6.022*1023