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Determine the number of molecules

Determine the number of molecules in 8.62 x 10^-3 g of dinitrogen pentoxide.a) 4.80 x 10^19 molecules b) 4.80 x 10^25 molecules
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2. asked by Cameron
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Which number remains unchanged during photosynthesis?(1 point) Responses the number of water molecules the number of water
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2. asked by Jk
3. 61 views
In chemistry class, Carlos calculated the number of molecules in 100 molecules. The calculator displayed the number 6.02E25.
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2. asked by .
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Which number remains unchanged during photosynthesis?(1 point) Responses the number of water molecules, the number of
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2. asked by Jk
3. 62 views
Which number remains unchanged during photosynthesis?(1 point) Responses the number of water molecules the number of water
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2. asked by Jk
3. 58 views
Calculate the number of molecules present in 0.3 moles of H2Responses 5.0 x 1025 molecules 5.0 x 10 25 molecules 1.8 x 1023
1. 1 answer
2. 137 views
Which number remains unchanged during photosynthesis?(1 point) Responses the number of carbon dioxide molecules the number of
1. 1 answer
2. 35 views
Which number remains unchanged during photosynthesis?(1 point)Responses the number of water molecules the number of water
1. 1 answer
2. 36 views
According to the law of conservation of mass, which statement about chemical reactions is always true?(1 point) Responses The
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2. 111 views
Which number remains unchanged during photosynthesis?(1 point)Responses the number of water molecules the number of glucose
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2. asked by weeb
3. 215 views