Number of moles in a compound calculator
[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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Given this number, we can calculate the number of particles in a known number of moles or the number of moles in a given number of particles. EXAMPLE: How many molecules of water are there in 3.00 moles of water? # molecules H20 = 3.00 moles H20 x 6.02 x 1023 molecules of H20 = 1.81 x 1024 molecules H20 . 1 mole H20
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Step 1- Find the number of moles in a 100 g sample. Step 2 – Find the mole ratio by dividing every number of moles by the smallest number of moles. ***Multiply to get a whole number ratio. Step 3 – Use the simplest ratio to write the empirical formula.
[DOC File]Copper Sulfate’s Water of Hydration Lab
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f. The way we write this mole ratio is shown below, as you insert your whole number into the blank: CuSO4 __ H2O. g. The way we name a hydrated ionic compound is by using the same prefixes as used for binary covalent compounds. Name your compound by filling in the appropriate prefix: “copper(II) sulfate _____hydrate” 8.
[DOC File]Worksheet for Basic Stoichiometry
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Convert the following number of moles of chemical into its corresponding mass in grams. 1. 0.436 moles of ammonium chloride. 2. 2.360 moles of lead (II) oxide. 3. 0.031 moles of aluminium iodide. 4. 1.077 moles of magnesium phosphate. 5. 0.50 moles of calcium nitrate. Convert the following masses into their corresponding number of moles. 6. 23 ...
[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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Given this number we can calculate the number of particles in a known number of moles or the number of moles in a given number of particles. EXAMPLE: How many molecules of water are there in 3.00 moles of water? # molecules H20 = 3.00 moles H20 x 6.02 x 1023 molecules of H20 = 1.81 x 1024 molecules H20. 1 mole H20
[DOC File]Mole Conversion Worksheet
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5. How many molecules are in 0.400 moles of N2O5? Mole-Mass Conversions. How many moles in 28 grams of CO2 ? Gram-formula-mass of CO2. 1 C = 1 x 12.01 g = 12.01 g. 2 O = 2 x 16.00 g = 32.00 g. 64.00 g/mol 28 g CO2 = 0.64 moles CO2. What is the mass of 5 moles of Fe2O3 ? Find the number of moles of argon in 452 g of argon.
[DOC File]Mole Lab J
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Calculate the number of moles of calcium carbonate in your piece of chalk. d) (1 point) Calculate the number of molecules of calcium carbonate in your chalk. e) Using your chalk, write your name(s) and the number of moles and molecules of chalk you have on the chalkboard. You want to wear the chalk down… f) (.5 point) Determine the . new
[DOC File]Molecular Mass of a Volatile Liquid
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The ideal gas law will then allow the calculation of the number of moles of the substance present: n = where n is the number of moles of gas, P is pressure, V is volume, R is the ideal gas constant, and T is the temperature on the Kelvin scale. If pressure is given in mmHg, then R = 62.4 mmHg·L/mole·K. The number of moles of gas is related to ...
[DOC File]Molar Mass worksheet
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2 moles Co 5 moles H2 2.1 moles H2O. Determine the number of moles in the following samples. 54.2 g N2 202.2 g MgO 519.3 g FeCl3. Determine how many atoms/molecules in the following samples. 1.32 moles Si 7.29 mol CO2 712.4 g AuCl Molar Mass worksheet KEY. Determine the molar mass for the following elements: Ca Xe K. 40.08 g Ca 131.29 g Xe 39 ...
[DOC File]THE MOLE
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It is the simplest whole number ratios in which atoms of elements combine to form the compound. 2.It is mathematically the lowest common multiple (LCM) of the atoms of the elements in the compound 3.Practically the empirical formula of a compound can be determined as in the following examples.
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