19. (2.49, 2.51) List the two conversion factors that relate number of lithium atoms and moles of lithium. Use these conversion factors to solve the following a. How many moles of lithium is 3.01 x 1023 lithium atoms? b. How many lithium atoms is 0.525 mol of lithium?
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Explaim a & b throughly please. How would I type the moles equation into a calculator? I have a TI-30 XIIS.
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- Determine the number of moles in 1.95 x 1023 formula units of MgCl2.What is the mass in grams of 24.2 moles of NaCl?You are given a solution of 0.117 M NaOH solution. You need to neutralize 10.00 mL of the NaOH solution with an acid called KHP. The reaction is: KHP+ NaOH --> H2O + a salt If you are going to make up a KHP stock solution in a 100.00 mL Volumetric flask and use 14.137 mL of the KHP stock solution to neutralize the NaOH, what mass of KHP would you need to use? The molar mass of KHP is 204.22 g/mole
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