For the each element, convert the given mole amount to grams. How many grams are in 0.0264 mol of potassium? mass: How many grams are in 0.350 mol of cobalt? mass: How many grams are in 0.890 mol of selenium? mass: help contact us terms of use privacy policy about us careers O Ei N

Q: How many good atoms are present in 8.3 moles of gold metal?Give your answer in a scientific notation

A: Given, 8.3 moles of gold.

Q: 1. How many moles of Ni are there in a sample that contains 16.5 grams of nickel? moles 2. How many…

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Q: How many moles of Br are there in a sample of Br that contains 2.33×1023 atoms? _______ moles

A: Since, Number of atoms or molecules is the multiple of moles and avogadro's number. Thus,

Q: How many atoms are in 31 mol helium? how many atoms are in 202.1 g sodium?

A:

Q: If there are 1.00 moles of O, how many moles of each of the compounds are present? H2SO mol 4 С Н.О,…

A: Number of moles is Mass in gram of the sample divided by molar mass of oxygen.Therefore,

Q: An analytical chemist measures the amount of Elements E, and E₂ in four samples of an unknown…

A: Given:X = 10.0 gSampleMass of E1Mass of E2112.2 g13.8 g212.5 g14.4 g36.1 g6.9 g411.7 g13.3 gFind out…

Q: a. How many grams of S are present in 4.41 grams of sulfur hexafluoride? Mass= gS b. How many grams…

A: The mass of the atoms of the element can be calculated by using the ratio of the whole number…

Q: [References] Use the References to access important values if needed for this question. 1. How many…

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Q: How many grams of Co are there in a sample of Co that contains 4.58×1023 atoms? _____grams

A: Number of atoms=.58×1023 atomsFind out mass of Co

Q: ne ave 30.79 ncorrect

A: Dear student I have given answer to your question in the image format.

Q: This question will walk you through the process of calculating the number of atoms present in a…

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Q: how many hydrogen atoms are in 0.1488g of phosphoric acid, H3PO4?

A: Given, amount of H3PO4 =0.1488 gramwe are asked to calculate the number of atoms of hydrogen in the…

Q: An unknown compound comprised of osmium and chlorine is 40.11% osmium by mass. a. If you assume…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: 1. How many moles of Sc are there in a sample that contains 14.6 grams of scandium? moles 2. How…

A: The moles and mass of the element are related to each other by the formula given below as;…

Q: How many nitrogen atoms are present in  90.6of nitrogen?Enter your answer in scientific notation

A: The nitrogen atoms that are present in 90.6 g of nitrogen are to be determined.

Q: 5. Determine the number of moles of the compound and determine the number of moles of each type of…

A: Applying concept of mole calculation.

Q: Calculate the mass, in grams, of 6.556.55 mol of argon, Ar   mass of Ar:      g   Calculate the…

A: Given, Moles of Ar = 6.55 mol   Mass of Ar can be calculated as :

Q: How many molecules are in 3.78 moles of H,?

A: Given : moles of H2 = 3.78 mol.

Q: What is your element? Neon  2. What is the molar mass of your element? 3. How many atoms are in a…

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Q: Element Fe Molar Mass- 55.845 g/mol 3. How many atoms are in a mole of your element? (No…

A: According to our policy, we should solve one question (If any subparts are present then the first…

Q: a) What is the mass, in grams, of 5.000 moles of carbon atoms? b)What is the average mass, in…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: s in grams of your favorite regular size candy bar? Tell me its name a worite. ss in grams of…

A: 23rd October 1991 1991   On This Day – October 23 : Mole Day, the unofficial holiday, was…

Q: One secret admirer leaves you 4.56 moles of silver while another secret admirer leaves you 3.69…

A: Data given: Number of moles of silver = 4.56 moles  Number of moles of gold = 3.69 moles

Q: Which has more atoms: 3 moles of Magnesium or 3 moles of Calcium?

A: It is used to count particles.1 mole = Avogadro's number. (NA). The number of atoms/ molecules…

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: Fulminating silver is the historic name for compounds that contain silver and which explode…

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Q: A compound is found to contain 58.80 % xenon , 7.166 % oxygen , and 34.04 % fluorine by mass. To…

A: a) The percentage of each element present in the compound is: Molar mass of each element is:…

Q: How many atoms of Na are in 45.0 g of Na2CO3  ( Na2CO3 = 105.99 g/mol) Your answer should be…

A: In this question, first of all number of moles of Na2CO3 is determined and then with the help of…

Q: How many moles of N2O are represented by 8.55 g of N2O The atomic mass of Nitrogen is 14.01amu and…

A: Given  Atomic  mass of Nitrogen (N)  = 14.01 amu Atomic mass of oxygen (O) = 16. 00 amu Mass of N2O…

Q: O 1.98 x 1022 atoms of lead

A:

Q: Complete the table below for calculating the molar mass of the compound sulfur tetrafluoride. Molar…

A: A molecule comprises distinct atoms with distinct proportions. The overall mass of that molecule…

Q: How many moles of Li are there in a sample of Li that contains 3.08×1024 atoms? _____ moles

A:

Q: moles:

A:

Q: 3. Which sample contains the same number of atoms as 1 gram of He? 6 g of C 7 g of Si 9 g of F 8 g…

A: Mass of He = 1g Molar mass of  He= 4 g mol-1   Mass of C = 6 g Molar mass of  C= 12 g mol-1   Mass…

Q: Identify the substance based on the mass. Gold (0.241 g). Calculate how many atoms the substance…

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Q: How many mole of C13H18O2 contain 7.4x10'25 atoms of C

A: The given compound is C13H18O2. The question is 7.4 * 10^25 atoms of Carbon are present in how many…