a. What is the mass in grams of 1.75 × 1024 atoms of silicon? grams b. How many silicon atoms are there in 32.4 grams of silicon? atoms

Q: The formula for disulfur decafluoride is S2F10 . a. How many molecules are in 1.57 grams of disulfur…

A: a) Given: 1.57 g of S2F10. The no of molecules are determined as follows,

Q: How many atoms of silver are in a bracelet that weighs 34.0 g? O 1.1 x 1023 O 1.1 x 106 O 1.9 x 1023…

A: We have to calculate the number of atoms.

Q: What is the mass of 3.01 x 1023 atoms of FeO? Round to two decimal places.

A: a) Given  mass of AgNO3 = 5,398 grams  molar mass of AgNO3 = 169.87 g/mol Conversion factor - 1 mol…

Q: Compound X2Z contains 32.2% X by mass. What mass of the compound contains 36.7 g X?

A:

Q: When a 2.118 grams sample of pure copper is heated in oxygen, the resulting reddish- brown compound…

A: The mass of the copper sample is = 2.118 g The mass of the copper oxide is = 2.385 g The empirical…

Q: 19.78 mL of bromine contains 6.022 x 1023 bromine molecules. How many bromine atoms are in 3.00 L of…

A: Given -> Volume (V1) = 19.78 ml = 0.01978 L (1L = 1000 ml) Number of bromine molecules in V1=…

Q: What is the mass in grams of 2.68 x 1024 molecules of NBr5?

A: Given, the number of molecules of NBr5 =2.68×1024 moleculeswe are asked to calculate the mass of…

Q: The chemical name for Tums is calcium carbonate, CaCO3, is used to treat symptoms caused by too much…

A: Given: Mass of CaCO3 = 522.61 mg = 0.52261 g                                                 (Since…

Q: The formula for dinitrogen tetrafluoride is . How many molecules are in 8.83 grams of dinitrogen…

A:

Q: How many grams of C3H8 contain 4.95 x 10E23 hydrogen atoms? How many anions are there in 2.50 g of…

A:

Q: The chemical formula for chlorophyll is C 55 H 22 MgN 4 O 5 a) What is the molar mass of the…

A: Molar mass of a substance is the mass of one mole of that particular substance. The no of moles in a…

Q: A chemical compound containing hypothetical elements Av, Bw, Cx, Dy, Ez has mass percentages of…

A:

Q: What is the mass in grams of 4.50 x 1020 particles of aluminum sulfate? to the closest thousandths

A:

Q: Mass of Zn 2.44 g Mass of Cu 0.063 g The mass of Zn and the mass of Cu in a coin are given in the…

A:

Q: What is the mass in grams of 1.15 x 10^24 atoms of manganese?

A: 1 mol Mn has mass equal to  59.94 g  1 mol Mn = 6.022 × 1023  atoms of Mn

Q: Which of the following samples of gases contains the greatest number of atoms? (Relative atomic…

A: 4th option is correct that is 13.0 g of C2H6

Q: 1. Convert 25.2 g into mg. (1000 mg = 1 g) 2. Convert 3 x 105 g into kg. (1000 g = 1 kg) 3. What is…

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

Q: SO2 has 8.50 × 10^24 molecules. What is its mass in grams?

A: Molar mass of any compound can be expressed in g mol-1 and atomic mass units. Every molecule has its…

Q: cetic acid (HC2H3O2HC2H3O2) is the active ingredient in vinegar. Calculate the mass percent…

A:

Q: A sample of C,H, has 9.28 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: A 3.17 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 4.34 x 1022…

A:

Q: Determine the mass, in grams, of each of the following quantities of substance a. 6.02×10^23 silver…

A: Given data, a)No. of silver atoms=6.02×1023b)No. of silver atoms=3.01×1023c)No. of silver…

Q: What is the average mass (in grams) of a single nitrogen dioxide molecule? A. 3.6 x 10-26 g B. 2.77…

A: Since mass of 1 molecule  = molar mass / Avogadro's number Molar mass of Nitrogen dioxide (NO2) = 14…

Q: A. What is the mass in grams of 1.11 x 10^24 atoms of zinc? B.How many zinc atoms are there in 28.5…

A: We’ll calculate the mass of Zn and the number of atoms present in Zn by applying simple mole concept…

Q: What is the molecular formula of a compound with the empirical formula CH2 and a formula mass of…

A:

Q: How many atoms of oxygen are in 12.99 g in nickel (II) nitrate?

A:

Q: What is the mass in grams of 5.57 × 10¹⁵ molecules of SO₂?

A: We know that , 1 mole = 6.023x1023molecules/atoms/ions.1 mole = molar mass of molecule .6.023x1023…

Q: White phosphorus consists of a molecule made up of four phosphorus atoms. It burns in pure oxygen to…

A: The given balanced chemical equation                                               P4…

Q: A compound contains 70.6% C, 5.9% H, and 23.5% O by mass. The molecular mass of the compound is 136…

A: Given :-  % by mass of C = 70.6 % % by mass of H = 5.9 % % by mass of O = 23.5 %  Molecular mass of…

Q: the mass, in grams, of 112 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A:

Q: A sample of gas mixture from a neon sign contains 3.48 x 10-4 mol Ne and 1.12 x 10- mol Kr. What are…

A:

Q: A 3.48 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 4.76 x 1022…

A:

Q: student is given a mixture containing two nitrate compounds. The mixture includesNaNO3 and Ca(NO3)2.…

A:

Q: 9. How many molecules are there in 2.3 grams of NH4SO2? 10. How many grams are there in 3.3 x 1023…

A: 9.)

Q: Platinum is an expensive and rare metal used in catalytic converters. Much research has been devoted…

A: Nanoparticles are very small particles which range between 1 to 100 nm. As they are very small in…

Q: The formula for boron tribromide is BBr3. How many molecules are in 7.83 grams of boron tribromide?…

A: Given Compound BBr3=250.52g/mole Using mole concept Mole= given mass (g)/Molar mass of BBr3 Moles…

Q: What is the mass in grams of 6.56 x 1022 molecules of lactic acid (C3H6O3), the compound responsible…

A: 1- First we need to calculate the moles of lactic acid :  Moles of lactic acid = [ number of…

Q: What is the average mass, in grams, of one atom of iron? O 1.66 x 10-24 g O 6.02 x 1023 g 9.28 x…

A: Given  Element  = Iron  ( Fe )  Mass of one atom = ?

Q: Calculate the mass in grams of 3.00 x 104 molecules of methanol. The chemical formula for methanol…

A: We know that:Molar mass of CH3OH=mass of carbon+4mass of hydrogen+mass of oxygen.…

Q: Samples of several compounds are decomposed and the masses of their constituent elements are shown…

A: Calculate moles of each element by dividing the given mass by their molar mass & convert them…

Q: 1. How many molecules are there in 24 grams of FeF3? 2. How many molecules are there in 450 grams of…

A: Since you have asked multiparts questions, we will solve the first three sub parts questions i.e.…

Q: What is the mass in grams of 4.50 x 10^20 particles of aluminum sulfate

A: Given: The number of particles=4.50 x 1020 Mass of aluminum sulfate =? The molar mass of aluminum…

Q: How many molecules are in 6.26 grams of sulfur dioxide? ______ molecules What is the mass in grams…

A:

Q: What is the mass of 8 atoms of copper in grams? 8.44 x 10-22 g 1.33 × 10-23 g X 508 g 7.58 x 1022 g…

A:

Q: A sample of C, H, has 4.64 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A:

Q: The formula for boron trichloride is BCl3. A. How many molecules are in 9.31 grams of boron…

A: Molecular formula of Boron trichloride is BCl3. It has three Chlorine atom and one boron atom. Molar…

Q: What is the mass, in kg, of 1.25x1024 molecules of BF3?

A:

Q: A 3.69 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 5.05 x 1022…

A: a.The total number of nitrogen atoms in 3.69g sample of nitrous oxide is calculated as,

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".