Calculate the mass in grams of 71.8 mol of chromium(III) sulfate decahydrate. Enter your answer in scientific notation

Q: Calculate mass percent of each element in perchoric acid, HCLO4 ?

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Q: It is estimated that we breathe around 5.0 x 1021 molecules of 0, in a single breath. What mass of…

A: Given: Molecules of O2 in a single breath = 5.0 × 1021. Molar mass of O2 = 32 g/mol

Q: Calculate the number of oxygen atoms in 2.51 g of CO2.

A: All things are provided in handwritten solution

Q: If you were asked to determine the formula mass of aluminum sulfate, how many oxygen atoms would you…

A: Formula mass is the sum of the mass of all the elements in the empirical formula of the compound.

Q: A phosphorus and oxygen containing compound is 46.2494% phosphorus and 53.751% oxygen. Determine the…

A: Note: According to the rules we can answer one question at a time. Pls repost others  Given:…

Q: Percentage Composition: Aluminum Phosphate

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Q: How many moles are in 8.00 g of NH3?

A: It is required to calculate the number of moles in 8 g of ammonia, which can be done using the…

Q: A block of pure magnesium metal weighs 76.9 grams. How many moles of magnesium are present in the…

A: Mole= mass of Mg / molar mass of Mg Given - 1) mass of Mg =76.9              2) Molar mass of Mg=…

Q: 2. Convert 5.24 x 10" K,PO,molecules to grams.

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Q: Determine the mass in grams of 3.2 moles of Ca(OH)2.

A: We know that, moles can be expressed as,                          or, mass of solute = Number of…

Q: Determine the number of atoms of O 10.0 of CO2.

A: Since each molecule of CO2 has 1 atom of C and 2 atoms of O  Hence each molecule has total number of…

Q: What is the mass, in grams, of 2.90x103 mol of ammonium phosphate? Express your answer using three…

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Q: A sample contains 56.36% oxygen by mass, and the rest phosphorus. If the molecular mass is 316.40g,…

A:

Q: Calculate the number of atoms in 12.45 grams of iron. 1.342 x 1023atoms 1.342 x 1022toms 0.223 atoms…

A: Given information, Given mass of iron = 12.45 g Molar mass of iron = 55.845 g/mol Calculate : Number…

Q: In 1871, Mendeleev predicted the undiscovered element ekasilicon. In 1886, the element was…

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Q: How many moles are contained in a sample of aluminum oxide, Al2O3, that weighs 20.4 grams? Convert…

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Q: Water has a molar mass of 18.0 grams H2O per mole of H2O. How many moles of H2O are in 9.00…

A: Note: 1000 mg = 1 gmass of H2O = 9.00 milligrams = 0.009 gramsmolar mass of H2O = 18.0…

Q: How many moles of Ca2+ ions are present in 7.52 · 1020 Ca(OH)2 formula units? Express your answer in…

A: Given : Number of formula units of Ca(OH)2 = 7.52 X 1020

Q: Calculate the molar masses of the following molecules. Include the units. Use 4 significant figures.…

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Q: What is the molar mass of C7H1004? Express your answer in units of grams per mole. Provide your…

A: Given  Formula of compound = C7H10O4 Molar mass = ?

Q: Calculate the mass in grams of 6.12 mole Cu(NO3)2.

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Calculate the mass in grams of 4.46×1024 molecules of propylamine. The chemical formula for…

A: Avogadro constant = 6.022 × 10²³ /mol The moles of propylamine can be calculated asNo. of moles of…

Q: A sample of NH3 has a mass of 84.06 grams.   Calculate the moles of NH3 in the sample.…

A: Given : Mass of NH3 = 84.06 g

Q: Calculate the number of LiLi atoms (NLiNLi) in 7.2 molmol of LiLi. Express your answer using two…

A: 1 mol of a substance contains Avogadro's number of  atoms.

Q: Chromium metal is obtained by heating chromium(III) oxide with carbon. Calculate the mass percent of…

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Q: How many moles of CH4 are in 9.37 x 1023 molecules of CH4? Do not put units in your answer. Report…

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Q: Selenium dichloride, SeCl2, has a molar mass of 149.86 g/mol.  What is the mass in grams of 0.325…

A: Given, moles of SeCl2 = 0.325 moles molar mass of SeCl2 = 149.86 g/mol mass of SeCl2 = ?

Q: Calculate the mass in grams of a single oxygen molecule, O2.

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Q: How many moles of carbon atoms are there if there are 7.13 x 1023 atoms? Calculate your answers to 3…

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: How many carbon atoms are present in 5.400 x 10 * mol of carbon? Give your answer in scientific…

A: Here number of mole of carbon= 5.400 × 10-4 Mole We know  that  1mole=  Avogadro number…

Q: Calculate the mass percentage of each element in vanadium (III) acetate.

A: Given :- name of compound = vanadium (III) acetate  To calculate :- mass percentage of each element

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

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

Q: Calculate the % composition by mass of each element in phosphorus oxychloride POCl3. Keep at least…

A: Mass composition explanation the amount  of each elements present in whole sample.

Q: Complete the following calculation and upload your work. You have 5.63 x 1024 atoms of the…

A:

Q: How many moles in 100.0 g lead (IV) nitrate?

A: Lead (IV) nitrate is Pb(NO3) 4 Molar mass = ( atomic mass of Pb) + (4(atomic mass of N) + 3(atomic…

Q: If you mix 80.01 grams of sodium bicarbonate with 85.54 grams of hydrogen acetate how much carbon…

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Q: 4.88×1020 H2O2H2O2 molecules Express your answer using three significant figures.    Calculate the…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: percentage by mass of calcium

A: Mass percentage of any component in a compound is calculated by formula :  Mass % = Mass of…

Q: how, many grams of phosphorous are contained in 3.07 x 1027 atoms of phosphorous? Enter your answer…

A: The concept of mole is a conducive way to express the amount of particles. This is a measurement…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.