H,O, + HgO → H,0 + 0, + Hg How many atoms of H,O, are in 5.36 x 1022 atoms of HgO?

Q: Consider a mixture of 10 billion O2 molecules and 10 billion H2 molecules. In what way is this…

A: The 1st mixture contains 10 billion or 109 O2 molecules and H2 molecules. The 2nd mixture has 109…

Q: Element A has a molar mass of 52.26 g, element D has a molar mass of 28.72 g, and element E has a…

A: The molar mass of element A is 52.26 g.The molar mass of element D is 28.72 g/mol.The molar mass of…

Q: Convert the 5.62 × 1025 atoms of B to moles.

A:

Q: Anhydrous CuSO4 is converted to CuSO4・xH2O to absorb water from certain liquids. What is the value…

A: We have to predict the value of x.

Q: A sample of H2O that contains 3.79 ×10^25 water molecules is what amount of water (in moles)? What…

A: The number of moles is the mass of the substance upon the molar mass. The number of moles is also…

Q: How many molecules of glucose (C6H12O6) are present in 1.52 grams of glucose (C6H12O6)? The…

A:

Q: How many moles are there in 2.75 x 10^24 atoms of copper?

A: we know that one mole of copper contain Avogadro's number of atoms Avogadro's number= 6.023 × 1023

Q: A 2.4839 g sample of a hydrate of Cu(NO3)2 was heated to drive off all of the water of hydration.…

A:

Q: What is the mass (in kg) of aluminum in 6.75×10^23 molecules of Al(C9H6ON)3? (MM Al = 26.98 g/mol)

A: Number of moles is calculated by dividing the given mass with molecular mass. In the given…

Q: I couldn't put both parts of the question in one picture, so please answer both parts of the…

A: Weight of a formula unit is called formula unit mass.  Number of formula units present in 1mol of…

Q: An 8.00 gram sample of the hydrated salt, CoCl2 x XH2O was thermally decomposed into anhydrous…

A: Given: Mass of hydrated salt = 8.00 g. And the mass of anhydrous salt obtained = 4.370 g.

Q: Find the number of hydrogen and oxygen atoms present in 15.0 g of pure hydrogen peroxide

A: we have to calculate  the number of hydrogen and oxygen atoms present in 15.0 g of pure hydrogen…

Q: How many moles of boron tribromide are present in 4.29 x 10^22 molecules of this compound?

A: Given, Number of molecules of boron tribromide = 4.29 x 1022 molecules Number of moles of boron…

Q: How many atoms of O are found in 1.00 x 10 2 g of K 2Cr 2O 7 ?

A: Number of atoms of Oxygen present in the given compound can be calculated as -

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: How much would 2.4 x 1024 molecules of N2O5 weigh?

A: Moles=2.4*10^24/(6.022*10^23) = 4

Q: How many molecules are there in (4.87*10^ ^ 2) g CCl 4 ? Answer to 3 significant figures. Note: Your…

A:

Q: What are the molecular and empirical chemical formulas of a compound made up of these molecules? The…

A: Molecular formula of the compound is defined as the actual number of all the atoms present in a…

Q: How many moles of zinc, Zn, are in 1.35×10^24 Zn atoms?

A: Question is based on mole concept. We have to calculate number of moles of zinc.

Q: Calculate the mass of 8.4 x 1 0 24 molecules of carbon dioxide (dry ice) (Hint: first calculate the…

A:

Q: A sample of N2O5 contains 3.75 x 10^23 oxygen atoms. How many molecules are in the sample?

A: Given that  A sample of N2O5 contains 3.75 x 10^23 oxygen atoms.  The number of molecules present in…

Q: Aspartame is an artificial sweetener that that is 160 times sweeter than sucrose(table sugar) when…

A:

Q: A sample of C₂ H² has 1.76 × 10²4 H atoms. How many carbon atoms does the sample contain?

A: In a molecule of C3H8, the mole ratio of carbon to hydrogen is 3:8.Number of moles of a substance…

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: A given sample of xenon fluoride contains molecules of a single type XeFn, where n is some whole…

A:

Q: grams of hydrogen in 8.92 x 1022 molecules NH3

A:

Q: How many carbon atoms are in 2.65 x 10^23 molecules of C2H6?

A:

Q: 1-How many oxygen atoms are there in 1?25 x 1018 water molecules?

A: Number of water molecule = 1.25 × 10^18molecule

Q: Order the following from smallest to largest 1 Tin, Sn ! Germanium, Ge 3 Silicon, Si 4 Carbon, C 2.

A:

Q: How many atoms of O are in 3.00 mol of N2O4?

A: Use formula Total molecule=mole×6×1022 Total Atoms=atomicity×molecule Atomicity=total no of atoms…

Q: How many Na+ ions are present in 3.91 g of Na2S?

A:

Q: How many hydrogen atoms are there in 2.50 moles of C6H12O6

A:

Q: What mass of oxygen would be in a 124.56 g sample of sodium thiosulfate Na2S2O3? 74.85 g 18.91 g…

A: The mass of sodium thiosulfate = 124.56 gThe mass of oxygen present =?

Q: How many grams of hydrogen are there in 2.5 g of water.

A: Given, 2.5 g of water  Molar mass of water = 18 g/mol

Q: A compound is 32.88% C, 4.14% H, 19.18% N and 43.80% O by mass, and it has a molar mass of 219…

A:

Q: 2) What is the mass of 5.13 moles of NazCr207?

A: Given :- number of moles of Na2Cr2O7 = 5.13 mol  To calculate : Mass of Na2Cr2O7

Q: A 3.939 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: The question is based on mole concept. we have been given the product of combustion of the compound.…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Electroneutrality principle: It is essential in an ionic compound that the positive and negative…

Q: How many moles of CCL4 are present in 7.65 X 1045 molecules of the compound? W mass of this amount…

A: Given: The number of molecules of CCl4 is 7.65×1045. The number of moles and mass of CCl4 is to be…

Q: The recommended daily allowance of the niacin (vitamin B3) is 16 mg per day for man. The molecular…

A:

Q: 4. A student has been tasked to determine the percent water in thalium (III) nitrate, TI(NO3)3×H2O.…

A: On heating and consequently allowing the hydrate to stand in open air overnight allows the hydrate…

Q: Consider a mixture of 10 billion O₂ molecules and 10 billion H₂ molecules. In what way is this…

A: The similarity is that both the samples contain 40 billion atoms.

Q: How many moles of sodium are in 1.73 x 10^24 Na atoms?

A: We have to find how many moles of sodium are in 1.73 x 10^24 Na atoms.

Q: Determine the mass (in g) of Na2CO3 that contains 5.03 × 1023 O atoms.

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".