How many moles of each element are present in 1.4 moles of C3H3N? Explain how you got your answer.
Explain what type of reaction this is: Zn --> Zn2+ + 2e- Although not indicated here, what phase do you expect this to occur in usually? Explain what is happening in the reaction.
How many moles of each element are present in 1.4 moles of C3H3N? Explain how you...
How many moles of each element are present in 1.4 moles of C3H3N? Explain how you got your answer.
How many moles of nitrogen atoms and hydrogen atoms are present in 1.4 moles of (NH4)3PO4?
1. How many atoms are represented by: a. 0.96 moles Ca b. 0.39 moles Ga c. 0.94 moles Ag d. 0.39 moles Mg 2. How may molecules are represented by a. 0.39 moles CH3COOH b. 0.71 moles N2 C. 0.72 moles C&H 206 d. 0.57 moles 02 3. How may grams are represented by: a. 6.11 moles C6H1206 b. 1.89 moles 02 c. 6,61 moles NaHCO3 d. 1.14 moles Na 4. How may moles are represented by: a. 26.32 grams...
•How many N atoms would be present in 0.378 moles of N2O? •2. If you have 4.55 x 1016 NO2 molecules, how many moles would you have? •3. How many grams would you need in order to have 0.885 moles of CuCO3? •4. If you have a 15.0 g sample of PF5, how many PF5 molecules would be in your sample? •5. If you have 3.14 x 1019 FeCl2 molecules, how many milligrams would you have? •6. What is the...
How many moles and numbers of ions of each type are present in the following aqueous solution? Be sure to enter your answers for the number of ions in scientific notation. 1.12 mL of a solution containing 2.92 g lithium sulfate/L.
How many atoms of copper (Cu) are contained in 1.75 moles of copper atoms? How many moles of aluminum ions (Al 3+) are present in 7.25 x 1025 Al 3+ ions? How many moles of aspirin contain 8.62 x 10 28 molecules? How many sugar molecules are contained in 0.475 mole of sugar? What is the molar mass of nicotine (C10H14N2), the toxic and addictive stimulant in tobacco? In this balanced chemical equation, 2 C18H30O2 + 49O2 à 36 CO2...
How many moles and numbers of ions of each type are present in the following aqueous solution? Be sure to enter your answers for the number of ions in scientific notation. 8.71 mL of a solution containing 5.89 g lithium sulfate/L _______ mol lithium _______ × 10__ions lithium _______mol sulfate _______× 10__ions sulfate
E: How many moles of aluminum ions are present in 0.32 moles of Al2(SO4)3? F: How many moles of sulfate ions (SO42?) are present in 1.3 moles of Al2(SO4)3? G: Calculate molar mass C6H14O6 (sorbitol) Express your answer to two decimal places and include the appropriate units. H: The sedative Demerol hydrochloride has the formula C15H22ClNO2. How many grams are in 0.025 moles of Demerol hydrochloride? I: How many moles of H2 are needed to react with 0.55 mol of...
help with 13, 14, 15, 16 the cal l for the product of the y recovering the product by evaporating to comedy mass on we There betw Fal mass of in metal Mass of the evaporating dish watch glass and in chordeer heng simet Mass of zinc chionde formed You know ma sticker for units Show your calculations for the above w e belle 6. Mass of zinc reacted: om Proces 136.28 ondisi tion 0.8545g 7. Mass of zine chlorides....
number 6 74 MBits Le 6. If you have 2.5 moles of Na2SO4, how many moles of Nalt do you have? 2. Smotes Nads Oy x 7. For the reaction 4 K+2 → 2 K3S, how many atoms of sulfur will react with 52 ato K? 8. For the reaction 4 Na + 2S → 2 Na S, how many moles of sulfur will react with moles of Na?