Q4. The mass of an element E found in 1.00 mole of each
of four different compounds is 38.0 g, 57.Og, 76.0 g
and 114 g respectively. What is the possible atomic
weight of E?
(1) 19.0
(2) 38
(3) 57
(4) 76
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Q4. The mass of an element E found in 1.00 mole of each
of four different compounds is 38.0 g, 57.Og, 76.0 g
and 114 g respectively. What is the possible atomic
weight of E?
(1) 19.0
(2) 38
(3) 57
(4) 76
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Answer:
Explanation:
A possible atomic mass of Q has to be a factor of 38, 57, 76, and 114.
19.0 fits this description:
38 = 2(19)
57 = 3(19)
76 = 4(19)
114 = 6(19)