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Chemistry CBSE Live product
Class 9
Atoms and molecules
Writing Chemical Formulae
10.
Formula unit mass
Question:
2
m.
Choose the correct answer:
A salt has the formula \(K_2SO_4\). What is its formula unit mass? (\(K = 39, S = 32, O = 16\))
\(170 u\)
\(174 u\)
\(172 u\)
\(176 u\)
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