Calculate the mass percent composition of sulfur in Ga2(SO4)3.

Q: Calculate the mass percent of H in B4H9CI. %

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Q: Even though lead is toxic, lead compounds were used in ancient times as white pigments in cosmetics.…

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Q: Calculate the percentage by mass of lead in PbCO3. O77.54 O 73.05 17.96 O 22.46 89.22

A: Mass percentage is one of the way of representing the concentration of an element in a compound or a…

Q: Given the balanced equation 3Ca(NO3)2 + 2 K3 PO4  Ca3 (PO4)2 (s) + 6KNO3 Write the total ionic…

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Q: 0.93 g sample of NaCr(SO4)2.XH20 was heated in a crucible to get a constant mass. If the mass of the…

A: Molar mass of NaCr(SO4)2.xH2O = 0.93 g = AMass of NaCr(SO4)2= 0.70g = BMolar mass ofNaCr(SO4)2 =…

Q: A 6.7283 g sample of a hydrate of MgSO4 was heated to drive off all of the water of hydration. The…

A: The first step is to calculate the mass of water that was lost when the hydrate was heated. This can…

Q: A sample of NaCr(SO₂)₂.10H₂O was heated in a crucible, yielding 1.27 g of the corresponding…

A: The molar mass of NaCr(SO4)2 is = 267 g/mol The molar mass of H2O is = 18.0 g The mass of NaCr(SO4)2…

Q: Determine the percent composition (by mass) of oxygen in H2SO4

A: Lets assume we are having 1 mole H2SO4: So one mole of H2SO4 is having 4 moles of oxygen atoms.…

Q: What mass of ammonia gas (NH3) contains 2.8*10^24 hydrogen atoms?

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Q: What is the molar mass of Pb(NO3)4 ?

A: Molar mass is the mass of all atoms present in a given compound. Molecular mass is also defined as…

Q: Calculate the number of moles of Magnesium ions, (Mg+2), in 80 g of Magnesium sulfate (MgSO4).

A: 1 mole = 6.022×1023 = Avogadro's number The number of moles of a substance is given by the formula…

Q: Determine the number of atoms of O in 66.6 moles of Al₂(CO₃)₃.

A: Here I have determined the number of atoms of O in 66.6 moles of Al₂(CO₃)₃.

Q: Calculate the mass percent of H2O in CuSO4•5H2O

A: Mass of water = 5 x 18 = 90 g Molar mass of CuSO4.5H2O = 249.5 g/mol

Q: How many moles of Fe(NO3)2 are present in 32.176 g Fe(NO3)2?

A: Molar mass of Fe(NO3)2 = 56 + (14+ 16x3) x 2 = 56 + 124 = 180 g/mol Given mass of Fe(NO3)2 = 32.176…

Q: what is the molar mass of Ca3(PO4)2?

A: The molar mass of the compound can be calculated by the addition of the atomic mass of constituent…

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: Determine the number of nitrate ions in 177 g Mg(NO3)2.

A: Mole is defined as weight of substance divide by it's molar mass.…

Q: Calculate the percentage (%) of elements in Li;PO4.

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Q: A sample of CO2 has a mass of 50.0 grams. What is the number of molecules of carbon dioxide in the…

A: We know,Number of mole = mass of sample (g)molar mass (gmol-1)and1 mol = 6.022x1023 molecule

Q: A newly discovered metalloprotein, which contains four atoms of Mo per molecule of protein, is found…

A: The given values in the question are:Number of Molybdenum (Mo) atoms per molecule of protein = 4Mass…

Q: Calculate the mass percentage of each element in turquoise.

A: Percentage composition is defined as the mass of each element present in  100 gm of compound  Mass…

Q: A molecule has an empirical formula of Ch2. 1.34 moles of the compound give 530.76 g of CO2 upon…

A: Given : We have to calculate the molecular formula.

Q: What mass in grams of Cu(IO3)2 can be produced from 0.750 g of CuSO4 x 5H2O?

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Q: Hydrated vanadium (II) sulfate, VSO4·xH2O, is 46.19% water by mass. Determine the empirical formula…

A: Given data contains, Atomic mass of Vanadium is 50.94 amu. Atomic mass of sulfur is 32 amu. Atomic…

Q: Use the concept of molarity to calculate the molarity of a solution prepared by dissolving 25.00 g…

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Q: How many oxygen atoms are there in 5.90 ng of CA3(PO4)2?

A: Given, mass of Ca3(PO4)2 = 5.90 ng = 5.90 x 10-9 g Thus, moles of Ca3(PO4)2 can be calculated as,…

Q: 3. What is the mass (in kg) of 6.89 x 1025 molecules of CO2? The molar mass of CO2 is 44.01 g/mol.

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Q: What is the percent by mass of chlorine in Ca(ClO 3 ) 2

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Q: How many chloride atoms are in 32.3 g of CaCl2?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: How many oxygen atoms are there in 1.55 g of Ca;(PO,),?

A: Given, Mass of Ca3(PO4)2 = 1.55 g Number of oxygen atoms are there in 1.55 g of Ca3(PO4)2 =? Note:…

Q: What is the molar mass of Co(NO3)2 6H2O? Show your calculations.

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Q: How many moles of CS2 make up 2.45 x 1025 molecules of CS2?

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Q: What is the mass percentage of chlorine in iron (III) chloride (FeCl3)?

A: Mass percentage of chlorine = (mass of Cl in FeCl3 / Molar mass of FeCl3) x 100

Q: What is the mass percentage of O in C₃H₈O₂? Provide an answer to two decimal places.

A: We have to find the mass % of O in C₃H₈O₂ As,  Atomic mass of C = 12 g mol-1 Atomic mass of H = 1 g…

Q: Calculate the mass percentage of chlorine in trichlorobenzene, C6H3Cl3.

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Q: Calculate the mass (in kg) of 2.67x10^25 atoms of nickel (Ni). Molar mass of Ni is 58.71g/mol.

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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.