calculate the formula unit mass of-
ZnO
Na2O
K2CO3
CH3OH
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Answered by
2
Answer:
Calculate the formula unit mass of ZnO, Na2O, K2CO3,. Given atomic masses of Zn= 65u, Na= 23u, K= 39u, C= 12u and O= 16u.
Answered by
6
Explanation:
(1) ZnO
65 + 16
= 81 u
(2) Na2O
23×2 + 16
46 + 16
62 u
(3) K2CO3
39×2 + 12 + 16×3
78 + 12 + 48
138 u
(4) CH3OH
12 + 3 + 16 + 1
32 u
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