How many protons, neutrons, and electrons are in an atom of (a) 138Ba, (b) phosphorus-31?

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: 12. How many grams are there in 1 x 1024 molecules of BC13?

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

Q: How many grams of copper that consists of 1.54 x 1024 atoms of copper?

A: To convert atoms to grams,  Step I  -  Convert atoms to moles                  1 mol  = 6.022 × 1023…

Q: If the atomic mass of an element is X, what is the mass in grams of 1.027 x 1020 atoms of the…

A: Atomic mass of element (given)=X Number of atoms present =1.027×1020 atom

Q: What is the mass, in grams, of 557 copper atoms?

A: Given, number of atoms of copper =557 we are asked to calculate the mass (in grams) of 557 copper…

Q: How much does 4.28 x 10 21 atoms of Nickel weigh?

A: We know that, one mole of any substance contains 6.022 × 1023 atoms. We can determine the weight by…

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

A: Given- number of Molecules =2.4 ×10^24 molecules

Q: In which of these compounds are there twice as many Oxygen atoms as Hydrogen atoms?

A: To find :- The compound having oxygen atoms two times more than the hydrogen atoms.   We can easily…

Q: Calculate the mass, in grams, of 262 atoms of cesium, Cs (1 mol of Cs has a mass of 132.91 g).

A: Molar mass = 132.91g I mol of Cs contains 6.022×1023atoms  Therefore mass of 6.022 × 1023 atoms =…

Q: 4. What is the mass of 7.75 moles of magnesium metal?

A:

Q: What is the mass of 5.58 x 10^23 molecules of carbon tetrachloride?

A:

Q: How many grams of oxygen are there in 53.16 g of Ca(C2H3O2)2?

A:

Q: 3.00 x 1023 atoms

A: Mass of Ca = 20.0 g Molar mass(MM) of Ca = 40.08 g Moles of Ca = Mass/MM     = 20.0/40.08   = 0.500…

Q: There are two naturally occurring isotopes of europium, 151Eu (151.0 amu) and 153EU (153.0 amu). If…

A: Given : There are 2 naturally occurring isotopes of europium. Mass of 151Eu = 151.0 amu Mass of…

Q: What is the mass, in grams, of each of the following samples? a.) 2.75 mol of iron, Fe  b.) 0.115…

A: Mole of solid sample is calculated by below formula,

Q: What percentage of the mass of a phosphorus 32 atom is contributed by its electrons, given the mass…

A: Phosphorus-32 has 15 electrons. Mass of electrons in Phosphorus-32 can be calculated as follows,…

Q: How many molecules are there in 1000 grams of  C12H22O11  or table sugar?

A: We have to calculate the  number of molecules in 1000 g of table sugar.

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: What mass of ethanol (C2H6O) would contain 7.0 x 1026 atoms of carbon?

A:

Q: What is the mass in kilograms (kg) of 4.29 X 1024 atoms of palladium?

A:

Q: If the mass percentage of O in a sample is 68% and the total mass of the sample is 4.128 Kilograms-…

A:

Q: What is the mass in grams of 9.76 × 1012 atoms of naturally occurring potassium?

A: mass = 6.32 x 10-10 g

Q: What is the mass in grams of 2.00 × 105 atoms of naturally occurring neon?

A: Given : Number of atoms of neon i.e Ne = 2.00 X 105 atoms.

Q: natural rubidium has the average mass of 85.4678 AMU and is composed of isotopes Rb 85 (mass =…

A: Average atomic mass = ∑i=1XiMiWhere X = mole fraction of the isotope and M is the mass of the…

Q: You have 3.31 L of water that contains 25 mg/L of PO43-. What is the total amount of phosphate in…

A: • The values provided in the question are:-    i) Density of phosphate ion solution,d  = 25 mg/L…

Q: What is the mass, in grams, of Vitamin C (C6H8O6) that contains 1.076 grams of carbon?

A: Molar mass of C = 12.01 g/mol mass(C)= 1.076 g number of mol of C, n = mass of C/molar mass of C…

Q: 4) How many grams of aluminum are there in 4.05 x 10²5 molecules of Al½O;?

A: In this question we have to calculate the gram aluminum present in the given number of Atoms of…

Q: What is the mass in grams of 2.68 * 1022 atoms of uranium?

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: What is the % mass of oxygen in citric acid, C6H807?

A:

Q: 7. What is the mass in grams, of Vitamin C (C6H8O6) that contains 1.076 grams of carbon?

A: Given mass of Carbon = 1.076 g Molar mass of Carbon = 12.01 g/mol Molar mass of C6H8O6 = 176.12…

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

A:

Q: 2. The volume of the nucleus of a carbon atom is about 9.9 x 10-39 mL. The molar mass of carbon…

A: Given: Volume of carbon nucleus atom = 9.9 × 10-39 mL. And molar mass of a carbon atom = 12.00…

Q: There are two naturally occurring isotopes of europium, 151Eu(151.0 amu) and 153Eu(153.0 amu). If…

A: Given information:Two isotopes of europium, 151Eu (151.0 amu) and 153Eu (153.0 amu)Atomic mass of Eu…

Q: What is the mass (in grams) of 8.907 x 1047atoms of silver?

A:

Q: how many atoms per particle in sulfur(s8)?

A: Atomic mass of sulfur = 32g Molecular mass of S8 =8×32=256g

Q: What is the molecular weight of sugar, C6H12O6 in atomic mass units? And If you had one mole of…

A:

Q: O 2.4 g of carbon-1 O 1.2 g of carbon-1

A: Given The two moles of a substance:

Q: What is the average mass, in grams, of one Zn atom?

A: Given :- Number of atoms of Zn = 1 atom  To calculate :-  Average molar mass of single atom of Zn…

Q: What is the mass of 1.595 moles of argon?

A:

Q: How many moles are there in 2.87 x 10^24 atoms of gold?

A:

Q: How many moles would 1.00 x 103 molecules of methane ( 1. CH4) represent?

A: Avogadro number (NA) 1 mole of a substance contains 6.02×1023 molecules 1 mole of O2 contains…

Q: Consider the following equation: The mass number of element X is: 247A + 18B → 89C + {x}X + 2 1n

A: 247A  + 18 B ---------------> 89C  +   xX  + 2  1n

Q: Given that you had 1 mol glucose (C 6H 12O 6), what would the mole ratio of glucose to oxygen be?

A: Balance Chemical equation means number of atoms or ions should be equal in both side (reactant and…

Q: 1. How many moles of tungsten atoms are there in 4.8 x 1025 atoms of tungsten?

A: Since you have asked multiple question,as per our company guidelines we are supposed to answer the…

Q: 4. How many grams are in 1.98 x 1021 atoms of Fe?

A: We have to calculate the mass of Fe.

Q: What would be the mass, in kilograms, of a block of graphite consisting of 1.55 x 1026 carbon atoms?

A:

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.