What is the relative formula mass of magnesium bromide?
A.
47
B.
82
C.
104
D.
184
Exam No：0620_w24_qp_12 Year：2024 Question No：10
Answer:
D
Knowledge points:
3.2.1. Describe relative atomic mass, Ar, as the average mass of the isotopes of an element compared to 1/12th of the mass
3.2.2. Define relative molecular mass
3.2.3. Calculate reacting masses in simple proportions. Calculations will not involve the mole concept
Solution:
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