Living By Chemistry: First Edition Textbook
Living By Chemistry: First Edition Textbook
1st Edition
ISBN: 9781559539418
Author: Angelica Stacy
Publisher: MAC HIGHER
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Q: What is the mass, in g, of 15.0 mol of silver?
A: A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance.…
Q: A sample of chlorine has a mass of 49.4 grams. How many Cl atoms are there in the sample?  atoms…
A: Chlorine mass of  = 49.4gm Calculate the  =  1 - how many cl atom of sample  2 - how many cl2…
Q: How many moles of Al are there in 41.5 grams of Al?
A: Since number of moles of atom = mass of atom / Atomic mass of atom
Q: how many moles of gold is 2.56 x 1026 atoms of gold
A: 1 mole = 6.022×1023 [ Avogadro's number ] Anything with this number is said to be one mole For…
Q: How many molecules of sulfur trioxide are in 78.0 grams?
A: Given , mass of SO3 = 78.0 g Molar mass of SO3 = 80.06 g/mol
Q: How many moles are present in 89.24 grams of copper?
A: The first step in this calculation is to identify the molar mass of copper. The molar mass of an…
Q: The atomic mass of aluminum is 26.982u. How many alluminum atoms are in a 4.55g sample of aluminum?
A: Mass of aluminium sample=4.55 g The atomic mass of aluminum =26.982 u Moles of aluminium=4.5526.982…
Q: mass in grams
A:
Q: how many chlorine atoms are in those 20.3 grams of carbon tetrachloride?
A:
Q: Four moles of sulfur dioxide, SO2, would consist of how many molecules?
A: The number of molecules of a substance present in one mole is known as its Avogadro number, its…
Q: How many oxygen atoms are contained in a 5.525 g sample of calcium phosphate?
A: First of all, we will calculate the no. of moles of calcium phosphate in 5.525 g of sample and then…
Q: How many hydrogen atoms are in 35.0 grams of hydrogen gas?
A: Molar Mass of Hydrogen (H) = 1.00784 g/mol Molar Mass of Hydrogen gas (H2) = 2×1.00784=2.01568 g/mol…
Q: Suppose you have a sample of sodium weighing 12.40 g. How many atoms of sodium are present in the…
A: A: 3.25 x 1023 atoms of sodium B: 21.1 g of potassium
Q: How many grams of carbon are in 402.1 g of carbon tetrachloride?
A:
Q: Suppose you have a sample of sodium weighing 11.50 g. How many atoms of sodium are present in the…
A: Information of question ,
Q: If you have a ring that contains 1.94 g of gold, how many moles of gold are in that ring?
A: Number of moles = mass / molar mass
Q: How many moles are there in 189 grams of silver?
A: Given, 1. Mass of silver (Ag) = 189 g     Molar mass of silver = 107.9 g/mol 2. 1 mol of sodium.
Q: how many atoms are in 102.1 g of sodium?
A:
Q: How many atoms of Cu are in 5.78 moles of Cu?
A: 1 mol of a substance contains 6.022 × 1023 atoms
Q: How many calcium atoms are in 62.8 gg of calcium?
A: Given mass of Calcium =62.8 gram  Number of calcium atom =?
Q: How many moles of potassium nitrate are there in 50.0 g of potassium nitrate?
A: Given data contains, Mass of potassium nitrate is 50.0 g. The formula to calculate the moles of a…
Q: How many atoms are in 127 g of calcium?
A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…
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Mole Concept
Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can b…
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How many atoms are in a 23.7 mol sample of gold?

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