C) There are one thousand times as many neon atoms as bromine atoms. D) There are four times as many neon atoms as bromine atoms. E) There are four times as many bromine atoms as neon atoms. Ans: D 23. One mole of iron A) is heavier than one mole of lead (Pb). D) weighs the same as one mole of lead. B) is 77.0 g of iron. E) None of the above. How many atoms of neon are present in 1.30 moles of neon? 7.83 x 10^23 atoms. The molar mass of potassium is. 39.1 g. How many grams of hydrogen are needed to produce 1.80 g of water according to this equation 2H2+ 02 --> 2H20. 0.200 g. When 85.0 g of CH4 are mixed with 160. g of 02 the limuiting reactant is
How many moles of neon are in 7.53x1023 atoms of Neon? How many moles of chromium are in 1.44x1024 atoms of Chromium? How many moles of boron are in 3.79x1024 atoms of Boron? The correct answer is D. 1.13 x 10^22 atoms are present in 0.378 g of neon. Avogadro's number (6.022 x 10^23) gives the ratio of representative particles per mole of substance. For every mole of substance, there are 6.022 x 10^23 representative particles present.
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