how many atoms are present in a sample of water

  1. how many atoms are present in a sample of water molecules with a mass of 1.800g
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    2. Anonymous asked by Anonymous
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  2. A sample of pure cobalt-60 has an activity of 8 µCi.(t1/2 cobalt-60 = 5.26 a) (a) How many atoms of cobalt-60 are present in
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    2. Trixie asked by Trixie
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  3. Rubbing alcohol often contains propanol, C3H7OH. Suppose you have an 85.9 g sample.a) How many carbon atoms are in the sample?
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    2. Gale asked by Gale
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  4. A 27.6ml sample of PH3 used in the manufacture of a flame retardant chemicals is obtained at stp. a)what is the mass of this gas
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    2. Courage Kum asked by Courage Kum
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  5. Consider a sample of 10.0 g of the gaseous hydrocarbon C2H6 to answer the following question: How many carbon atoms are present
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    2. bella asked by bella
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  6. in the water the ratio of hydrogen atoms to oxygen atoms is 2 to 1. if there are 3x10^23 atoms in a sample of water, how many
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    2. none asked by none
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  7. The quantity of Cl- in a water supply is determined by titrating the sample with Ag+. What mass of chloride ion is present in a
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    2. Alan asked by Alan
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  8. How many atoms of MgO are present in 13.0 moles?Responses 7.8 x 1024 atoms 7.8 x 10 24 atoms 78 atoms 78 atoms 4.6 x 1022 atoms
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  9. Rubbing Alchol often contains propanol, C3H7OH. Suppose that you have an 85.9g sample of propanol.a) Howmany carbon atoms are in
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    2. Kristy asked by Kristy
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  10. The density of sea water is 1.03 g/ml. A sample of sea water contains 60 ppm Ca. What is the mass of Ca(NO3)2present in 20 L of
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