How many total atoms are in 0.910 g of P,0,? total atoms:

Q: 2.01×1022 HeHe atoms         Express your answer using three significant figures.    How many moles…

A: We have to calculate the number of moles of He

Q: The molar mass of NBr3 is (2.22 x 10² mol Br₂)(- mol NBr3 g mol NBr3 -) = mol Br₂ g NBr3 mol NBr3 g…

A:

Q: What is the mass in kilograms of 7.16 mole of Fe?

A: Given data, Moles of Fe = 7.16 moles We know, Moles of a substance is given by the ratio of given…

Q: How many atoms in 17.8  mol CS2?

A: According to Avogadro's, the total no of molecules/atoms present in one mole of substance is equal…

Q: A mole of molecules (96.0281023 molecules) has a mass in grams numerically equal to the atomic mass…

A: Given, mass of CO2 = 54 g moles of CO2 = ? Note:  molar mass of CO2 = 44.01 g/mol

Q: 4. Find the mass of 3.66 mol of N2, nitrogen gas.

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

Q: In the following question: How many g would 4.38 x 1024 atoms of lithium be? You would start with…

A: Given that: Number of Li atoms = 4.38 X 1024  atoms To convert atoms to grams we have to apply…

Q: How many total atoms are in 78.6 g of iron (II) chlorate?

A:

Q: A sample of trifluoroacetic acid, C,HF,O2, contains 72.1 g of fluorine. Calculate the mass of the…

A: 1- First calculate the moles of fluorine atoms :  We know that,  moles of F = ( mass / molar atomic…

Q: The number of moles in 37.80 g of C2H6O (molar mass = 46.1 g/mol) is?

A: Given information,       Mass of C2H6O is 37.80 g.     Molar mass of C2H6O is 46.1 g/mol.

Q: Determine the mass in grams of 5.53 × 1021 atoms of arsenic. (The mass of one mole of arsenic is…

A: Answer:- Firstly using the given number of atoms of arsenic, moles are calculated. Then using the…

Q: An aspirin tablet contains 325.0 mg of aspirin, which has the molecular formula, C9H8O4. How many…

A: Given:Mass of aspirin = 325 mg = 0.325 g.

Q: Galantamine is a drug given to patients who have Alzheimer's disease. Its chemical formula is…

A:

Q: How many total atoms are in 33.3 g of copper(I) carbonate?

A: Given Mass of Cu2CO3 = 33.3 g To find Total no.of atoms in the given amount of Cu2CO3

Q: 4. In an experiment, 3.2 moles of oxygen atoms reacted with 121.3 g of calcium to form a new…

A:

Q: How many grams of nitrogen are in a .10g sample C8H10N4O2?

A: Step : 1            The mass of caffeine ( C8H10N4O2 ) is not clear, so we consider as two cases  :…

Q: What is the weight of the grams of Na equivalent to the same number of atoms as those in 15 g of K?

A: Given: Mass of potassium= 15 g  The molar mass of potassium = 39.098 g/mol Moles of potassium=Mass ÷…

Q: how many molecules are in 120.6 g of carbon?

A: Given data, Mass of Carbon= 120.6 g Formula, Moles of Carbon= mass of Carbon/Molar mass of Carbon…

Q: A compound of C,H,N and O has the following percent composition by mass: 17.8% C, 2.22% H, and 20.7%…

A: Empirical formula represents the simplest whole number ratio of elements that are present in a…

Q: What is the molecular mass of CH¿I? amu

A: Molecular mass is defined as the is the mass of a given molecule. The unit of molecular mass is amu…

Q: How many total atoms are in 0.870 g of P,0,?

A:

Q: How many moles are equal to 4.5 x 1023 molecules of carbon monoxide? (Round to two decimal places).

A: No of CO molecules = 4.5 × 1023 molecules No fo moles = to be determined

Q: How many oxygen atoms are in 19 molecules of tetraphoshorus decoxide (aslo known as phosphorus…

A: Given, molecular formula of phosphorus pentaoxide P4O10 , we are asked to determine total number of…

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: How many atoms are in 25.6 g tin? 3.01 x 1023 atoms 3.01 x 1024 atoms 6.02 x 1024 atoms 1.30 x 1023…

A:

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: Determine the mass in milligrams of 0.857 mol NH, CI. mg NH,Cl mass: Determine the mass in…

A:

Q: How many atoms are present in 0.430 g of gold?

A: Given, mass of Gold = 0.430 g  Molar mass of Gold = 196.97 g/mol Number of Atoms = ?

Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: Calculate the mass in grams of 14 atoms of Ca.

A:

Q: How many grams of S are in 515 g of SO2?

A: The atomic mass which is denoted in grams indicates the gram atomic mass. The relationship between…

Q: many hydrogen atoms are in 1.00 moles of H2 molecules?

A: Number of atom is equal to mole multiply by avagadro number

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: A 100.00 g sample of the compound XCl3 is decomposed to produce 90.77 g of the element chlorine.…

A: The reaction taking place will be  2 XCl3 -----> X2 + 3 Cl2  Hence moles of Cl2 formed / moles of…

Q: mass of 1.2 × 10^23 atoms of phosphorus (molar mass= 31 gm/mo

A: The one mole of a substance contains 6.022×1023 number of its atoms.here moles of…

Q: How many moles are in 33.0 g of Se? How many atoms of N are in 5.6 g of N?

A: Given :-  Mass of Se = 33.0 g  Mass of N = 5.6 g  To calculate :-  i) no. of moles of Se  ii) number…

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 molecules are in 119.78 g of butane (C4H10)?

A: Mass of butane = 119.78 g  Number of molecules of butane = ? • Number of moles = mass / molar mass…

Q: Styrene Empriical formula is CH. Wh at mass of styrene contain 1.98x 10^21 Atoms of hydrogen. The…

A: The objective of the question is to find out the mass of Styrene that contains a specific number of…