Maps T TI 14 ancing Eguations Challeng ical formula. ient. ch chemical formula. CO2 Ho How many atoms of each element are in the formula shown? C. 0= 2Na,SO, ach element a shown? How many atoms cach are in the formmala she Na

Q: How many moles of He are 221,000 He atoms?

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

Q: 1.0g of this compound has .272g of carbon and .727g of oxygen, find the formula and name for this…

A: Given, .272g of carbon and .727g of oxygen Therefore,                  C : O    (.272/12) :…

Q: Gold is a precious metal . how many atoms of gold are in a grainof gold?

A: Given,  Gold is a precious metal . how many atoms of gold are in a grain of gold = ?

Q: How many carbon atoms are in a diamond (pure carbon)with a mass of 38 mg?

A: The mass of diamond is 38 mg The molar mass of carbon is 12.01 g mol-1

Q: Pant values if needed for this question. Complete the table below for calculating the formula mass…

A: Hi, as per our community guidelines we can only answer one question from multiple questions asked.…

Q: How many copper atoms are in 6.9 moles of copper

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Q: 5.0g of this compound has 2.2g of Iron and 2.8g of chlorine, what is the formula

A: Given 5.0g of  compound has 2.2g of Iron and 2.8g of chlorine  Molar mass of iron = 55.845 g/mol…

Q: How can you efficiently determine the number of atomsin a sample of an element? Why is counting them…

A: To find: How can you efficiently determine the number of atoms in a sample of an element? Why is…

Q: 4. Determine the number of atoms present in 7.85 moles of carbon. C

A:

Q: Compare your molar mass to the following list think is you unknown metal: omal zinc tin platinum…

A: Required to calculate total heat produced by food burned by using the equation: (1calg.oC)(∆T)(mass…

Q: How many atoms are in 0.0015 mole of copper

A: In this question, the number of moles of copper is provided. The number of atoms present in the…

Q: A modern penny weighs 2.5g but is only 2.52% copper by mass. Calculate the number of Cooper atoms in…

A:

Q: The total number of atoms in NaCI

A: The number of atom of an element in its molecules is known as atomicity. SodiumChloride or NaCl is…

Q: In mass analyzer ions are separated by mass to charge ratio why?

A: In a mass analyzer, ions are deflected from a straight line path and attracted to the negative side…

Q: How many atoms of He are in 2.59 moles of He? In scientific notation

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

Q: A 6.136 gram sample of chromium is heated in the presence of excess bromine. A metal bromide is…

A: The empirical formula represents the simple ratios of present  elements in the compound.

Q: 1. State whether the following is TRUE OR FALSE. JUSTIFY YOUR ANSWER a. One mole of Calcium has the…

A: ( a.) One mole of Calcium has the same number of atoms but a smaller mass than one mole of sulfur .…

Q: How many atoms is 88.87 moles of zinc

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Q: determine the number of atoms of 47.56g of Pa

A:

Q: The total number of atoms in CI2

A: Atom are the smallest unit of the chemical species. The total number of atom present in the…

Q: What is the formula mass of gold(I) phosphate?     Include the unit in your answer.

A: Multiply subscript of every element in formula by its atomic weight (relative atomic mass) as…

Q: • Part A How many moles of atoms are in 7.00 g of C? Express your answer numerically in moles. >…

A:

Q: How many atoms would be in 0.75 moles of aluminum?

A: The question is based on  mole concept. it involves calculation of number of atoms based on number…

Q: An element’s molar mass in grams per mole is numerically equal tothe element’s atomic mass in atomic…

A: An element's molar mass in g/mol  is numerically equal to the element's atomic mass in atomic mass…

Q: How many atoms are in a 23.7 mol sample of gold?

A:

Q: At the end of chemical reactions, what is the total mass of the reactants compared to the total mass…

A: For a chemical reaction  total mass of reactant and the total mass of product must be same  .

Q: 3 molecule(s) of dinitrogen pentoxide contains: How many oxygen atoms? How many total atoms?

A: The molecular formula of dinitrogen pentoxide is N2O5

Q: Rank the following according to number of atoms (greatest to least):

A: To compare the number of atoms in each substance, we need to use the concept of moles. One mole of…

Q: The formula for alum has 1 Al. How many units alum could be made from 7 Al atoms? Answer with a…

A: The molecular formula of alum is K2(SO4)·Al2(SO4)3·24H2O or KAl(SO4)2·12H2O

Q: Determine the empirical and molecular formulas for the given compound, which contains 72.41 percent…

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Q: A 3.20 mol sample of aluminum represents how many atoms?

A: Number of atoms = moles of Atom X Avogadro's number  where Avogadro's number = 6.022 X 1023

Q: How many fluorine atoms are in 44 g of fluorine?

A: It is given that:Mass of fluorine = 44 g

Q: How many molecules are in 325 grams of iron chloride

A:

Q: What is the average atomic mass of chlorine in this sample?

A: Answer:

Q: 10g of this compound has 6.1g of tin and 3.9g of fluorine, find the formula and name for this…

A:

Q: One of the negative effects of high carbon dioxide content in the atmosphere is its reaction with…

A: There are many negative effects of carbon dioxide on the atomsphere as well as on the human health.…

Q: Give the name, empirical formula, and molecular mass ofthe molecule depicted in Figure

A: In the given figure the violet color represents Phosphorous atoms and the red color represents…

Q: how many atoms are in 0.193 kilomoles of sulfur

A: Given: Moles of sulfur = 0.193 Kilomoles = 193 moles.