heavenlyskye heavenlyskye

31-05-2016
Chemistry

Answered

determine the number of moles 1) 20g Na and 2) 34g H2O

Verified Answer :

c5h11no2 c5h11no2

31-05-2016

To calculate this, add up the automic mass units of each atom. (That can be found under the element's abbreviation on the periodic table.)
1) Na = 23 amu
20g / 23 = 0.87 moles Na

2) H = 1.01 O = 16.0
1.01 + 1.01 + 16 = 18.02
34g/18.02 = 1.89 moles H2O

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