Mol calculator
[DOC File]Stoichiometry: Mole to Mass Problems
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1. Mg(s) + 2HCl(aq) ( MgCl2(aq) + H2(g) How many grams of HCl are consumed by the reaction of 2.50 moles of magnesium? What is the mass in grams of H2 gas …
[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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Find the molecular formula of a compound if its empirical formula is CH2O and its molar mass is 90 g/mol. CH2O = 12 + (2 x 1) + 16 = 30 g/mol 90/30 = 3, so empirical formula x 3 + molecular formula =m so MF = C3H6O3
[DOC File]Mole Conversion Worksheet
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1 mol = 6.02 x 1023 particles. 1 mol = g-formula-mass (periodic table) 1 mol = 22.4 L for a gas at STP. Each equality can be written as a set of two conversion factors. They are: Step 1: Determine what you are solving for: moles or grams. Step 2
[DOC File]Mole Calculation Worksheet
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Use your Periodic Table, calculator, and Avogadro’s number (6.02x1023) to help. Check your notes for help with molar mass! (Here’s how to find the answers. To find mass in grams To find # of particles # of moles x molar mass # of moles x 6.02x1023. 1 mole x 1.00 g/mol = 1.00 g 1 mole x 6.02x1023 atoms/mol = 6.02x1023 atoms
[DOC File]NATIONAL QUALIFICATIONS CURRICULUM SUPPORT
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Calculate the number of moles of carbon atoms in 0.367 mol of benzene (C6H6). Since a benzene molecule contains 6 carbon atoms: number of moles of C atoms = 6 0.367 = 2.20200 mol (calculator answer) What we have to remember in this case is that the number ‘6’ is an exact number and, as such, has an infinite number of significant figures.
[DOC File]Empirical and Molecular Formula Worksheet
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10) A well-known reagent in analytical chemistry, dimethylglyoxime, has the empirical formula C2H4NO. If its molar mass is 116.1 g/mol, what is the molecular formula of the compound? 11) Nitrogen and oxygen form an extensive series of oxides with the general formula NxOy. One of them is a blue solid that comes apart, reversibly, in the gas phase.
[DOC File]Mole Conversions Worksheet
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1 mol = 6.02 x 1023 particles. 1 mol = g-formula-mass (periodic table) 1 mol = 22.4 L for a gas at STP. Each equality can be written as a set of two conversion factors. They are: Mole-Particle Conversions. 1. How many moles of magnesium is 3.01 x 1022 atoms of magnesium? 3.01 x …
[DOC File]Molar Mass Worksheet
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Molar Mass Worksheet. Calculate the molar masses of the following chemicals: 1) Cl2. 2) KOH. 3) BeCl2. 4) FeCl3. 5) BF3. 6) CCl2F2. 7) Mg(OH)2. 8) UF6. 9) SO2. 10) H3PO4
[DOC File]Molar Mass worksheet
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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 39.10 g K. Fe Au O. 55.85 g Fe 196.97 g Au 16.00 g O. Determine the molar mass for the following molecules/compounds. NaCl H2O O2. 22.99 + 35.45 2(1.01) + 16.00 2(16.00) 58.44 g NaCl 18.02 g H2O ...
[DOC File]Mole Calculation Practice Worksheet
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2) How many grams are in 3 mol of diatomic oxygen gas (O2)? 3) How many grams are in 5 moles of Li2O? Name _____ Date _____ Per. _____ HW#32 Mole Calculation Practice Worksheet. Answer the following questions: 1) How many grams are in 3 moles of oxygen (O)? 2) How many grams are in 3 mol of diatomic oxygen gas (O2)?
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