How many ATOMS of sulfur are present in 3.39 grams of sulfur tetrafluoride ?

Q: How many atoms of nitrogen are present in 22.50 grams of oxapyrazon?

A:

Q: What is the mass of a single bromine molecule, Br 2?

A: The bromine molecule is composed of two bromine atoms that are covalently bonded to one another.

Q: An unknown compound containing tellurium and bromine is analyzed and it is determined that 28.53% of…

A: Mass (%) of an element in compound = 100 x Mass of element/Mass of compound Number of moles =…

Q: How many GRAMS of sulfur hexafluoride are present in 9.83×1022 molecules of this compound ?

A: Given : Compound is sulfur hexafluoride i.e SF6. And number of molecules of SF6 = 9.83 X 1022…

Q: Determine the number of oxygen atoms (Units) found in 205 g of potassium sulfate, K2SO4

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

Q: A sample of ammonia Nh3 contains 1.2 X 1023 hydrogen atoms. How many NH3 molecules are in the…

A: Ammonia (NH3) is a molecule that exists as a gas at Standard temperature (298 K). It contains atoms…

Q: Determine the number of atoms of C in 11.8 grams of C₆H₁₂O₆.

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

Q: How many molecules are there in 345.2 grams of HCl?

A: 1 mole = 6.022×1023 (Avogadro's number) The mass of one mole of molecules of a substance is called…

Q: Determine the number of atoms of C in 42.8 grams of C₆H₁₂O₆.

A: The objective of this question is to find out the number of carbon atoms in a given mass of glucose…

Q: The active ingredient in baking soda is NaHCO3. How many grams of NaHCO3 are needed to provide 2.15…

A: The active ingredient in baking soda is NaHCO3.  One atom of NaHCO3. contains = 3 atoms of O. or, 1…

Q: In 1.99 g of quartz, how many oxygen atoms are there?

A: Quartz is SiO2 and its molar mass is 60.084gmol-1  So, first calculate the moles of SiO2  moles of…

Q: How many oxygen atoms are contained in a 5.525 g sample of calcium phosphate?

A: First of all, we will calculate the no. of moles of calcium phosphate in 5.525 g of sample and then…

Q: Determine the mass (in grams) of xenon that contains: a) 6.96 moles of Xe b) 2.74 × 1024 Xe atoms

A: Since, Moles is the ratio of mass to the molar mass of the atom or molecule. Thus,

Q: How many grams of hydrogen are in 36.56 g of propane, C3H8

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

Q: How many hydrogen atoms are there in a 346 g sample of pure ammonia (NH3)?

A: Number of mols = Mass/molar mass 1 mol = 6.0224 x 1023 Given that: Mass of ammonia (NH3) = 346 g…

Q: 11) How many moles are there in 2.00 x 10¹⁹ molecules of CC14?

A:

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: How many grams of water (18.02 g/mol) would contain 6.54 x 1024 hydrogen atoms

A: Avogadro number = 6.022 x 1023.

Q: An unknown compound containing tellurium and bromine is analyzed and it is determined that 28.53% of…

A: According to given data%mass of Tellurium in compound=28.53 %and% mass of Bromine in compound=71.47…

Q: How many moles of N are there in a sample of N that contains 2.75×1024 atoms?

A:

Q: How many atoms of nitrogen are there in 5.00 g N?

A: We have to predict the number of atoms of N.

Q: If you have a sample of 24.31 g magnesium (Mg), which is equal to one mole, how many atoms of…

A: Given that Amount of magnesium (Mg) = 24.31 gram  Which is equal to 1 mole To answer this problem ,…

Q: How many atoms of copper are there in 0.0075 g of copper?

A:

Q: How many ATOMS of nitrogen are present in 5.39 grams of dinitrogen tetrafluoride

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Q: How many grams of hydrogen are there in 28.13 g of a compound that contains 19.6% H and 80.4% C?

A: The mass of the compound is = 28.13 gThe percentage of hydrogen in the compound is = 19.6 %The…

Q: How many atoms of calcium are there in 10.0 g of calcium?

A:

Q: 238.2g of sodium fluoride are decomposed to form sodium and fluorine. How many moles of sodium are…

A: The reaction of decomposition of NaF is as follows: Molar mass of NaF = 41.988 g/mol. Molar mass of…

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: A 150.0 gram sample of a white powder contains 61.05 g of carbon, 7.65 g of hydrogen, and 81.30 g of…

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Q: How many grams of iron are combined with 62.2 grams of oxygen to make the iron (II) oxide compound?

A:

Q: How many helium (He) atoms are there in 3.75 moles of helium?   3.75 x 1023 atoms 3.99 x 1025 atoms…

A: You have given - Moles of He = 3.75 mol

Q: 23 atoms of magnesium? 1. How many moles of magnesium is 5.61 x 10

A: moles of any species is defined as when given mass of species divided by its molar mass

Q: -If you had 2.00 x 1024 atoms of Na, how many moles would you have?

A:

Q: What is the mass of Li+ in 50.25 g of Li2CO3 ?

A: The concept of stoichiometry is used to solve the given question. The moles have to be calculated…

Q: What mass of oxygen would be in a 124.56g sample of sodium thiosulfate Na2S2O3?

A: Given that:  Mass of Na2S2O3 = 124.56g  Molar mass of Na = 23g/mol Molar mass of S = 32g/mol Molar…

Q: How many moles of magnesium are present in 3.01 grams of magnesium?

A: Magnesium is an which is having atomic No. 12. It is an important mineral. It has role in enzyme…

Q: how many grams are in 4.46 x 10 24 atoms of carbon?

A: Number of carbon atoms present = 4.46 x 1024 Atomic mass of carbon is 12 grams Atomic mass means the…

Q: w many hydrogen atoms can you find in 50.0 g of H2

A: The amount of any substance is measured in a unit known as a mole which is equal to 6.023 x 10^23…

Q: Calculate the number of atoms of copper in 2.65 g of copper.

A: The number of atoms of copper in 2.65 g of copper needs to be determined. Required information:…

Q: How many atoms of Pt are present in 2.53 moles of Pt?

A:

Q: If a sample of N2O4 contains 19 g of nitrogen (N), how many moles of N2O4 are in that sample?

A: Since in 1 mole of N2O4 we will have 2 moles of N Hence moles of N2O4 = moles of N / 2  Since moles…

Q: How many atoms of hydrogen are there in 1 kg of methane (CH4)?

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Q: How many atoms are there in 230 grams of NH4OH?

A:

Q: atoms

A:

Q: How many atoms of oxygen are there in 23.0 g of sodium nitrate?

A: Molecular formula of sodium nitrate= NaNO3  One molecule of sodium nitrate contains sodium atom = 1…