2. How many moles of I, are in 8.23 moles of Nal 2Nal 1 Cl, > 2NACI +11,

Q: A 0.370-mol sample of a metal oxide (M₂O₃) weighs 55.4 g.(a) How many moles of O are in the…

A: Mass of 0.37 mole of metal oxide = 55.4 g. Mass of one mole of metal oxide = Molar mass of the metal…

Q: How many moles of k3po4 are in 195.37 g of k33po4?

A: Given :- mass of K3PO4 = 195.37 g  To calculate :- number of moles of K3PO4

Q: Beryllium is a light metal used to fabricate transparent X-ray windows for medical imaging…

A: Number of moles = mass/molar mass given mass of Be = 3.24g molar mass of Be = 9.01g/mol Number of…

Q: 3.135 A certain metal M forms a bromide containing 53.79percent Br by mass. What is the chemical…

A: Let the mass of the compound be 100 g. Then the mass of the Br is 53.79. Calculate the mass of the…

Q: 9. If enough H,O is reacted to produce 3.40 moles of H2, then how may moles of O, must have been…

A: Given reaction is, 2H2O ------->2H2 +O2 Moles of H2= 3.40 mol

Q: wnat is the empiracle formula og Compound that is 62.07. C, 10.47 and 27.5%. 0 by mass ?

A: C = 62.0 % H = 10.4 %  O = 27.5 %

Q: A compound has the empirical formula C6H7N and a formula mass of 186.24 g/mol. What is the molecular…

A: Answer: Option d. C12H14N2 is the correct molecular formula. Given,The empirical formula=C6H7N…

Q: Lenthionine is composed of carbon sulfur and hydrogen a 5.000 g sample of lenthionine contains…

A:

Q: A mixture of 0.72 g BaCl2.2H20 (molar mass = 244.2g/mol) and 0.72 g of NazPO4.12H20 (molar mass =…

A: Given: Weight of BaCl2.2H2O = 0.72 g Molar mass of BaCl2.2H2O = 244.2 g/mol Weight of Na3PO4.12H2O =…

Q: Chemical analysis shows that the oxygen-carryingprotein hemoglobin is 0.34 percent Fe by mass. What…

A: Heamoglobin is a protien for oxygen transport . The heam group in Hb is Fe metal. Binding of oxygen…

Q: Calculate the number of moles of potassium hydrogen phthalate (abbreviated KHP, chemical formula is…

A:

Q: 9.) How many moles of glucose, C6H1206 are in: (a). 538grams (b.) 1.00 grams of this substance?

A: The molar mass of a compound is furnished as the mass occupied by one mole. Hence the ratio of the…

Q: Calculate the number of atoms of Fe in a sample with mass = 1899 amu. I suspect I'm overthinking…

A: We have to calculate the number of atoms of Fe in a sample with mass of 1899 amu.Molar mass of Fe =…

Q: A 0.370-mol sample of a metal oxide (M2O3) weighs 55.4 g. (a) How many moles of O are in the sample?…

A: A 0.370-mol sample of a metal oxide (M2O3) weighs 55.4 g. (a) How many moles of O are in the sample?…

Q: 1. Determine the molar mass of (a) potassium hexachloroiridate(IV), K2lrCls and (b) trifluorosilane,…

A: Determine the molar mass of the given complex--

Q: 3. Calculate the percentage by mass of oxygen in the following compounds: (#3.25, p.157) a.…

A: formula for percentage by mass:

Q: Calculate the number of moles of: (a) S2- ions in 6.56 mol of Na,S (b) Mg²+ ions in 8.320 mol of…

A:

Q: The molar mass of caffeine is 194.19 g. Is the molecularformula of caffeine C4H5N2O or C8H10N4O2?

A: Caffeine is a natural stimulant most commonly found in tea, coffee and cacao plants. It works by…

Q: 3. Calculate the percentage by mass of oxygen in the following compounds: (#3.25, p.157) a.…

A: Vanillin ---- molecular formula -12×8+1×8+16×3=152         (atomic mass of oxygen…

Q: C4H10 and C6H12 are both hydrocarbons. Whic one contains higher mass percentage of carbon?

A:

Q: 1. Find the number of K* ions in 3.41 mol of K,HPO,?

A: Given,  Moles of K2HPO4 = 3.41 mole  Find number of K+ ions in 3.41 mole of K2HPO4 = ?

Q: Find y n-Al= %3D use the follamng equation: ng mass of Sample = (n-H,-L5y )(65.4) + 27.0y m2య లఆ…

A: Given: Mass of sample = 0.090 g. And n-H2 = 2.720 × 10-2 moles.

Q: h for dellivery from the supplier? Assume that the atomic mass of Ca is 47.0 u.

A:

Q: 1) How many moles of FeS2 are in 632 g of iron pyrite, FeS2?

A: Given mass of FeS2 = 632 g

Q: Calculate the number of moles of: (b)  Mg2+ ions in 8.320 mol of Mg3(PO4)2. (c)  acetate ions,…

A:

Q: O A. 9.3 moles O B. 42 moles OC. 56 moles O D. none of these O E. 14 moles OF. 19 moles O G. 84…

A: From balanced reaction , 1 mol Co3(PO4)2 required = 2 mol Na3PO4  14 moles Co3(PO4)2 required = 2 ×…

Q: н Enter the mass percent of CHF3 in the visualization. MM[CHF3]=70.01 g/mol, MM[C2H6]=30.07 g/mol,…

A:

Q: What are two errros that could cause one of your mass percentages to be too low?

A: Mass percent or weight percent of a component in a substance can be defined as the mass of the…

Q: What is the percent by mass of Cl in the compound? d 0 of 2 points earned 2 attempts remaining What…

A:

Q: Calculate the mass percent of H in C,HgO.

A: Since, molar mass of carbon = 12.0107 g/mol Molar mass of hydrogen = 1.0079 g/mol Molar mass of…

Q: A given sample of Xenon flouride compound contains molecules of the same type XeFn where n is some…

A: Chemical formula which shows number of chemical elements and total element’s number available in…

Q: how many moles of N are in 65 moles Pb(NO3)4?

A:

Q: Suppose 2.367 g of TiO2 sample evolves 0.143 g O2 , what is the %Ti02 in the sample?

A:

Q: What is the mass grams that are in 6.30 × 1025 molecules of 1,?

A: Given is,  Molecules of I2= 6.30×10^25  And we know, Avogadro's number 6.022×10^23 Molar mass of I2=…

Q: What is the mass percentage of O in C3H,O,?

A: The mass percentage of an element is a one of the way to express the amount of element in the…

Q: ta 1+ 77,) A bincury compound of boron ☆ hudregen hefs He following percentage compostion: 98.4%…

A:

Q: The percent by mass of nitrogen for a compound is found to be 30.5%. Which of the following could be…

A: Percentage by mass of element in a compound  = Mass of element  × 100 / Mass of compound

Q: What is the mass percent oxygen in the molecule NO2?

A: We Know that, Molar mass of NO2 = 46.0 g/mol Molar mass of O2 = 32.0 g/mol

Q: Determine the mass percent STRONTIUM in SrNO3) Be sure to 'shouw a formula. Show Molar Mass…

A: Mass percent is the ratio of mass of that element to that of the molar mass of molecule.

Q: What is the mass in milligram of a. 0.888 mol of H,SO,?

A: Given :-  Number of moles of H2SO4 = 0.888 mol   To calculate:-  Mass of H2SO4  Mass = number of…

Q: For the amino acid cysteine (C3H7NO2S), calculate: (a)How many moles are in 5.0 g of cysteine? b)The…

A:

Q: Calculate the number of moles of potassium hydrogen phthalate (abbreviated KHP, chemical formula is…

A: Given;

Q: Beryllium is a light metal used to fabricate transparent X-ray windows for medical imaging…

A: Moles is defined as the measurement of a substance that contains 6.022×1023 number of particles…

Q: for a reacuol UCSCIUCS ule sioleniômetry of t Problems 19. Using the average atomic masses given…

A: Number of moles of a substance is given by the ratio of the mass of the substances to that of the…

Q: Calculate the percent oxygen by mass in disilicon trioxide(Si2O3) to 3 significant figures.

A: Molar mass of O = 15.999 g/mol.Molar mass of Si2O3 = 104.168 g/mol.

Q: 6. Calculate the following quantities in 0.185 mole of C,H1¼O. a. moles of C b. moles of 0 c. atoms…

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

Q: of 7.5 x 10^23 atoms of Br? * A. 7,5x1batoms br x G02 MỖ atons Br Imol Br B. 7.5x1b tome br x_ Imol…

A:

Q: 3. See the example in Introduction for set-up of calculations. Calculate the number of a) moles of F…

A: Number of moles of F and atoms of F in 32.5g of F2 calculated as follows

Q: How many moles of Fe is in Fe(NO3)2

A: As specified, I am answering the third question. We have to find number of moles of Fe in Fe(NO3)2