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Q7: How many moles of O are in
Q23: Which one of the following sets of
Q57: Given that CaO(s)+ H<sub>2</sub>O(l) <span class="ql-formula"
Q60: What is the density of a salt
Q68: In the following diagram of a wave
Q104: Calculate the density of Br<sub>2</sub>(g)at 59.0°C and
Q120: Which of the following is the ground-state
Q120: A block of dry ice (solid CO<sub>2</sub>,
Q144: Give the formula for cobalt(II)chlorate dihydrate<br>A)CoCl<sub>2</sub>·2H<sub>2</sub>O<br>B)CoClO<sub>3</sub>(H<sub>2</sub>O)<sub>2</sub><br>C)Co(ClO<sub>3</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub><br>D)Co(ClO<sub>3</sub>)<sub>2</sub>·2H<sub>2</sub>O<br>E)Co<sub>2</sub>(ClO<sub>3</sub>)<sub>3</sub>·2H<sub>2</sub>O
Q182: Thorium metal is prepared by reacting