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how many atoms are present in a sample of water
how many atoms are present in a sample of water molecules with a mass of 1.800g
1 answer
asked by
Anonymous
513 views
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
1 answer
asked by
Trixie
912 views
Rubbing alcohol often contains propanol, C3H7OH. Suppose you have an 85.9 g sample.
a) How many carbon atoms are in the sample?
3 answers
asked by
Gale
2,247 views
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
1 answer
asked by
Courage Kum
152 views
Consider a sample of 10.0 g of the gaseous hydrocarbon C2H6 to answer the following question: How many carbon atoms are present
1 answer
asked by
bella
1,444 views
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
1 answer
asked by
none
296 views
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
1 answer
asked by
Alan
631 views
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
1 answer
75 views
Rubbing Alchol often contains propanol, C3H7OH. Suppose that you have an 85.9g sample of propanol.
a) Howmany carbon atoms are in
5 answers
asked by
Kristy
1,445 views
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)2
present in 20 L of
1 answer
72 views