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1) What volume is occupied by 3

Chemistry

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1) What volume is occupied by 3.03g of Sodium Chloride (NaCl) at 39°C and a pressure of 1.39 atm?

2. A compound has the following percent composition: C = 40%; H = 7%, and O = 53%. Find
the empirical formula of the compound. And the molar mass of the compound is 180.18 g/mol. Find the molecular formula + what is the molecular formula used to be known as?

3. State the following acids and bases are strong or weak and write an equation for the dissociation of each in water: HCl, HClO4, CH3NH2, NaOH, HF.