CH-2066
Empirical and molecular formulae
Chemistry · Secondary 4 · Medium · Empirical and molecular formulae
A student heats 6.90 g of hydrated copper(II) sulfate, , until it becomes anhydrous .
The mass of anhydrous obtained is 4.00 g.
, .
What is the value of ?
The mass of anhydrous obtained is 4.00 g.
, .
What is the value of ?
- 6
- 4
- 5
- 7
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