HONORS CHEMISTRY - MIDTERM REVIEW

16. If the density of a diatomic molecule of gas is 1.43 g/L, what is its gram-molecular mass? a. 16 g b. 32 g c. 48 g d. 64 g e. 14.3 g. 17. The correct formula for calcium hydrogen sulfate is. a. CaH2SO4 b. CaHSO4 c. Ca(HSO4)2 d. Ca2HSO4 e. Ca2H2SO4. 18. Which of the following involves a physical change? a. The formation of HCl and H2 from H2 ... ................
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