Kilograms to moles conversion
[DOC File]HONORS CHEMISTRY
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1.00 x 107 moles of boron, B. 11. 4.50 moles of NaCl 12. 1.81 x 1024 molecules of CO2. 13. 3.01 x 1022 molecules of Mg 14. 2.36 x 1015 molecules of K2CrO4. Convert to number of particles: 15. 1.0 x 10-5 moles of Al 16. 7.7 g of H2O2. 17. 500 g of NO 18. 1.00 x 10-3 moles of NH3. 19. 2037 g of iron, Fe 20. 4.5 moles of gold, Au
[DOC File]Name
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Multiplying the number of bushels by these two conversion factors gives the answer in kilograms. The mass of 0.50 bushel of apples is . Evaluate. Step 3. Does the result make sense? 138 Name Class Date Answer the following questions about Practice Problem 3. How many moles is 2.80 × …
[DOC File]Scientific Methods Worksheet 2:
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Multiplying by this factor cancels out the g, leaving moles as the new unit. Use the metric prefixes table to answer the following questions: 4. The radius of the earth is 6378 km. What is the diameter of the earth in meters? 5. In an experiment, you find the mass of a cart to be 250 grams. What is the mass of the cart in kilograms…
[DOCX File]St. Charles Parish Public School System
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-- a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction. ... and mass of a substance is expressed by using mass units such as grams, kilograms, or milligrams. Mass and amount of substance are quantities, whereas moles and grams are units.
[DOC File]Chemistry I-Honors
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90.0 grams H2O / 18.0 g/mole = 5.00 moles of H2O = 10.00 moles of hydrogen C : H = 4.00 : 10.00 ( 2 :5 ( C2H5 If the compound in #5 is know to be a gas at STP conditions, and a 2.50-gram sample is known to occupy 96.6 ml, what is the true, or molecular, formula of this compound?
[DOC File]Chemistry
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Directions: Use the factor – label method to make each of the following conversions. Refer to appropriate tables for necessary conversion factors. 1) 143 miles per hour to meters per second.(63.9) 2) 8.8 feet per second to centimeters per second. (268) 3) 12.2 pounds per cubic foot to kilograms per liter. (0.196)
[DOC File]Unit Conversions Worksheet
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What is the mass in kilograms if 1 troy ounce is equivalent to 0.0311 kg? A reaction is essentially complete in 5.0 x 10-4 s. If one millisecond (1 ms) equals 10-3 s, how many milliseconds does the reaction take? If 1 mol of octane produces 5450 kJ of heat when burned, how many moles of octane must be burned to produce 15 100 kJ of heat?
[DOC File]CHAPTER 5
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This step is the conversion between moles of gas and the volume occupied by 1 mole of gas. For any gas at STP, the molar volume is always 22.41 L/mol. In most cases, however, the gas is not at STP; you then must use the ideal gas law either to find the moles of gas when volume is given or to find the volume once the moles of gas are known.
[DOC File]Name
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Determine how many kilograms of water result from the following reaction, 2H2 + O2 → 2H2O. Now it’s your turn to practice converting from moles to mass and mass to moles. Remember to multiply by numbers on the top and divide by numbers on the bottom of the conversion factor. 1. Determine how many moles are present in 0.23 kg of SO2. 2.
[DOC File]WPHS - Region 14
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Conversion Factors. 1 teaspoon = 5cm3. ... How many moles of CS2 form when 6.3 mol of C reacts? ... by which ammonia (NH3) is synthesized from its elements (H2 and N2) What is the percent yield if 5.0-kg of ammonia (in Kilograms) is to be expected when 4000.0 L of nitrogen are used in these procedures?
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