Given 6.150 g of BaCl2, how many moles of chlorine atom is in your sample?

Q: A 58.5 g sample of an unknown compound that contains only carbon, hydrogen and oxygen was analyzed…

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Q: If you have 25.3 grams of iron(II) nitrate and 25.3 grams of sodium sulfate, how many moles of…

A: According to law of mass action, In a reaction the same no of mole of product are formed as the no…

Q: How many atoms are in 153 g of calcium

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Q: How many hydrogen atoms are in 790.58 grams of propane?

A: The moles of a substance is the mass of the substance which has equal quantity of basic units. The…

Q: How many atoms of carbon are present in 9.90 g of carbon tetrachloride?

A: The number of moles of CCl4 can be calculated using the following equation: Number of moles=given…

Q: How many moles of NH3 are present in 4.98 g of the compound?

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Q: What is the mass, in g, of 1.00 mol of helium atoms?

A: The mass in grams of 1.00 mol of helium atoms has to be given.

Q: Calculate the mass of an H2 molecule in kg.

A: We know the molar mass of H2, but this includes 6.022x1023 molecules of H2. In the question, it is…

Q: What is the mass (in grams) of 0.263 moles of water?

A: Moles of water=0.263molTo find the mass of 0.263 moles of water (H2O), you can use the molar mass of…

Q: How many grams would 71,934,010,495 atoms of a substance weigh if it has a molar mass of 23.7889…

A: Number of atoms = 71,934,010,495 atoms  6.02×1023 atoms = 1 mol 71,934,010,495 atoms =…

Q: Consider a 6.38 mol sample of C5H8. How many atoms of H would be in this sample?

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Q: How many moles of calcium atoms do you have if you have 4.06 x10^21 atoms of calcium.

A: Given : Number of atom of calcium = 4.06 x10^21   Avogadro's Number = 6.023 × 10^23   Finds :…

Q: how many chlorine atoms are in those 20.3 grams of carbon tetrachloride?

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Q: How many moles of ammonia, NH3, are in a 18.49 gram sample of ammonia?

A: •Here given => =>Weight of ammonia=18.49 gm =>We have to calculate the mole of ammonia…

Q: How many molecules of ammonia (NH3) are there in a sample that contains 2.50 moles of ammonia?

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

Q: How many atoms of Pb are present in 254 grams Pb?

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: How many atoms are in 86.5 g of potassium dihydrogen phosphate (KH2PO4)?

A: Weight of postassium dihydrogen phosphate ( KH2PO4) = 86.5 grams Molecular weight of potassium…

Q: How many grams of sodium carbonat contain 1.773E17 carbon atoms?

A: Here we are required to find  grams of sodium carbonate contain 1.773 ×1017 carbon atoms

Q: How many molecules of H2O are contained in 360 g of H2O? How many atoms of H?

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Q: How many moles of Cu are there in 83.6 grams of Cu?

A: The number of moles is a chemical unit which is mathematically expressed as: N=MMM…

Q: What is the mass (in g) of 2.71 mol of beryllium?

A: Atomic mass/molar mass of Beryllium = 9 g/mol Number of moles = Given mass/ molar mass Given is…

Q: The number of copper atoms in 2.35 bf of copper wire ?

A: According to the Avogadro's law, 1 mole of each substance contains the Avogadro's number, 6.022×1023…

Q: An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 7.50 g of…

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Q: How many atoms are present in 2 moles of Fe ?

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Q: How many moles of Be are there in a sample of Be that contains 2.02×1024 atoms?

A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: An unknown compound contains 53.34% rhodium, 9.338% carbon, and the rest is oxygen. a) If you assume…

A: Given a compound with the composition: Rh = 53.34 % C = 9.338 % O = 100 - (53.34 + 9.338) % = 37.322…

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: One mole of hydrogen peroxide, H2O2, would consist of how many molecules?

A: Given : Moles of H2O2 = 1 mol

Q: How many grams of C are present in 4.84 grams of carbon dioxide ?

A: We have to find grams of C are present in 4.84 grams of carbon dioxide

Q: How many grams of carbon monoxide (CO) are there in a sample containing 0.10 moles of CO?

A: Given -> Moles of CO = 0.10 mole

Q: A sample of ethanol (C3H.OH) contains 4.2x102s hydrogen atoms. How many moles (n) of ethanol are in…

A: One mole of any substance contains 6.022×1023 particles.

Q: Consider a 10.1 g sample of the compound cesium phosphate. a) What is the chemical formula for…

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

Q: How many atoms are present in 8.94 g of copper (Cu)

A: Given: Mass of copper=8.94 g The molar mass of copper= 63.546 g/mol Moles of copper= Mass/ Molar…

Q: A cleaning bottle contains 83.1 g of ammonia. How many molecules of ammonia are in the bottle?

A:

Q: A 30.2-gram sample of an unknown compound contains 23.8 grams of tin and 6.4 grams of oxygen. What…

A: Empirical formula : "  The formula which represents only relative number of different atoms present…

Q: how many atoms are present in a 1.48 micromol

A: 1 mole of any substance contains Avogadro number of entities  Avogadro's number = 6.022 x 1023…

Q: An unknown sample with a total mass of 440.85 g contains carbon, hydrogen, and oxygen.  If the…

A: Given: The total mass of the unknown sample = 440.85 g The mass of carbon = 300.25 g The mass of…

Q: How many moles of C are there in a sample that contains 6.54×1022 carbon atoms? How many carbon…

A: The objective of the question is to find out the number of moles of carbon in a given sample and the…

Q: Convert 1.41×1024 atoms of carbon to moles of carbon.

A:

Q: how many atoms of Fe are in 26.9 g Fe?

A: Given, the mass of iron Fe =26.9 gramwe are asked to calculate the number of atoms of iron Fe in the…

Q: How many atoms arc in 157 grams of H2?

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Determine the mass, in grams, of 0.130 moles of I (1 mol of I has a mass of 126.90 g).

A: A mole is thus the mass of a compound in grams that equals the masses of the elements that is…

Q: The mass in grams of iodine in a sample of BaI 2 that contains 15.7 grams of barium is

A: The moles of Barium ion is calculated as follows,

Q: A sample of Mg(NO3)2 has a mass of 71.5 grams. how many moles of Mg(NO3)2 are in  this sample

A: Number of moles = Mass in gram/Molar mass