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

Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:…

A: The given reaction is, 4 NH3 (g) + 7 O2 (g)  →   4 NO2 (g)  + 6 H2O (g) The reaction is already…

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: 7- The oxidizing agent in the following chemical reaction is +2 5Fe + MnO (aq) + 8H (aq) - Ma + 4H,0…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

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: Some brands of salami contain 0.090% sodium benzoate (NaC2H3O2) by mass as a preservative. If you…

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: 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: What is the mass in 3.52 x 10^23 water molecules?

A: mass of 3.53 ×1023 molecules is 10.45g

Q: Total moles of magnesium

A: We have to find moles of Magnesium

Q: A sample of trifluoroacetic acid, C2HF3O2, contains 32.1 g of oxygen. Calculate the mass of the…

A: Given,  Mass of O in a sample of C2HF3O2 = 32.1 g Calculate the mass of C2HF3O2 sample = ?

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

A:

Q: Calculate the number of grams of lithium in 5.44 x 1021 atoms of lithium.

A: Given,  Number of atoms of Lithium=5.44×10^21 We know, molar mass of Lithium atom=6.941g/mol Also…

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: 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 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: 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 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 is the chemical formula of carbon tetrafluoride?

A: The compound given is carbon tetrafluoride.

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: Determine the mass (in g) of Na2CO3 that contains 3.43 × 1023 O atoms.

A: given : atoms of O = 3.43 × 1023 to calculate : mass of Na2CO3 that has 3.43 × 1023 O atoms

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: 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: f.) CH2-CH3 CH3-CH=CH-CH-CH3

A: Given:

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: How many moles of aluminum do 1.42 x 10^24 aluminum atoms constitute?

A: 1 mol of any atom has 6.023 ×1023 number of 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: Rank the following compounds in order of increasing mass percentage of nitrogen: NO, NO₂, N₂O.

A: NO :Formula to find the % of N :% of N = (mass of N / molar mass of the compound ) X 100…

Q: Anhydrous CuSO4 is converted to CuSO4 · XH20 to absorb water from certain liquids. What is the value…

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".