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[DOC File]Stoichiometry Review KEY
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Calculate the number of moles in 38.7 g of PCl5. a. 5.38 mol b. 3.55 mol c. 0.583 mol d. 0.282 mol E 0.186 mol 3. (p. 90) Potassium dichromate, K2Cr2O7, is used in tanning leather, decorating porcelain and water proofing fabrics. Calculate the number of chromium atoms …
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[DOC File]Mole Ratio Worksheet
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a) If you used 1 mole of N2, how many moles of NH3 could be produced? b) If 10 moles of NH3 were produced, how many moles of N2 would be required? c) If 3.00 moles of H2 were used, how many moles of NH3 would be made? d) If 0.600 moles of NH3 were produced, how many moles of H2 are required? Mole Ratio Worksheet. 1) Balance this equation:
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Worksheet – Mole Conversions
How many moles are in 2.45 g of hydrogen gas (H2)? How many grams are in 6.3 moles of ammonium chloride? 4. What is the mass of 0.288 moles of plumbous sulfate? Conversion between moles and particles. How many molecules are in 1.55 moles of hydrogen gas (H2)? How many moles is 7.8 x 1025 molecules of phosphorus pentachloride?
number of moles calculator chemistry

[DOC File]Mini Mole Lab
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Calculate the number of moles. Number of moles = mass (measured) ( molar mass (from periodic table) Calculate the number of particles (atoms or molecules) Number of …
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[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
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[DOC File]Irvington High School • Regents Chemistry
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Calculate the number of moles of SO2 (g) in this sample. (4 points) Find the mass of this sample of gas. (2 points) Find the density of this sample of gas. (2 points) Magnesium reacts with hydrochloric acid according to the following balanced equation: Mg (s) + 2 HCl (aq) ( H2 (g) + MgCl2 (aq)
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[DOC File]Mole Calculation Worksheet - HUBBARD'S CHEMISTRY
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Use the number of moles given to fill in the table below. Use your Periodic Table, calculator, and Avogadro’s number (6.02x1023) to help. Check your notes for help with molar mass!
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[DOC File]Title: Ideal Gas Law and Gas Stoichiometry Lab
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In chemistry, calculations that relate quantities of substances are known as stoichiometry problems. Stoichiometry. is a study of the quantitative or measurable relationships that exists in chemical formulas and chemical reactions. Solving stoichiometry problems involve interpreting a balanced chemical equation in terms of moles using coefficients.
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[DOC File]Calculator Black Box Lab:
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The number should be the same for both elements and is the number of particles in one . Since the regression equation passes through (or very close) to the origin, the equation can be paraphrased as y = mx. Substitute N, number of partcles, for Y and n, moles, for x. What are the equations used by the calculator to convert the numbers?
moles in a substance 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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Number of moles calculator chemistry