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COD 15:16 1/24 How many atoms are in 2.52 g of helium? Select the correct answer...
How many atoms of neon are in 0.378 g of neon? Select the correct answer below 6.02 x 1023 atoms 1.87 x 10-2 atoms 2,28 x 102 atoms 1.13 x 1022 atoms
How many atoms are in 5.27 g of zirconium? Select the correct answer below: 0 3.17 x 10atoms O 1.04 x 1025 atoms O 5.49 x 1025 atoms o o 3.48 10% atoms Content attribution
How many atoms of copper are in 2.50 mol Cu metal? Group of answer choices I 1.51 x 1023 atoms 2.41 x 1024 atoms 1.51 x 1022 atoms 1.51 x 1024 atoms 2.41 x 102 atoms
One mole of calcium nitrite contains how many atoms of oxygen? Select one: 4 3.61 x 1024 1.81 x 1024 1.20 x 1024 2.41 x 1024
How many Oxygen atoms are there in 78.1 g Na2C2O4 A)1.40 x 10^24 B)3.51 x 10^23 C)2.52 x10^28 D)3.87 x10^-24
How many hydrogen atoms are in 135 g of H20? Multiple Choice o 170 atoms o 4.51 x 1024 atoms o 9.02 x 1024 atoms o 8.04 x 1022 atoms o 2.49 х 10-23 atoms
How many moles of sulfur atoms are there in 64 g of Sg? Select the correct answer below: O 2.0 moles O 1.3 moles O 0.56 moles O 0.25 moles
ton XCO 22:18 16/20 FEEDBACK Content attribution How many water molecules are generated when 3.3 moles of ammonia react, according to the following equation? 3Pb0+ 2NH3-3Pb + N2 + 3H2O Select the correct answer below O2.0 x 10 03.0 x 10 O O 1.8 x 10 O 1.3 X 1024 FEEDBACK Content attribution
How many atoms or ions of each element are in 151.1 g of the following substances? (a) H2 x 1025 H atoms (b) Ca(NO3)2 * 1023 Ca2+ ions x 1024 NO3 ions (C) N202 x 1024 N atoms * 1024 O atoms (d) K2SO4 * 1024 K+ ions * 1023 s042-ions
2) (4pts) Answer the following questions about sodium phosphate (NasPO.) How many oxygen atoms are in one molecule of sodium phosphate? many oxygen atoms do you have? If you have one dozen molecules of sodium phosphate, how many oxygen atoms do you h If you have one mole of sodium phosphate molecules, how many oxygen atoms do you have? (16 pts) Perform the following conversions: 3) a) 2.89 × 103 helium atoms into moles of helium atoms: b) 0.500 moles...