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30 July, 23:38

Scientists discover two new elements, element A and element X, and are able to determine their atomic mass. Element A has an atomic mass of 17 amu Element X has an atomic mass of 76 amu. These elements combine to form a compound with the following formula: AX3. Determine the molar mass of this compound.

a. 93 g/mol

b. 98 g/mol

c. 110 g/mol

d. 245 g/mol

e. 262 g/mol

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Answers (1)
  1. 31 July, 01:53
    0
    17+76*3=228+17=245. D is right
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