An unknown amount of mercury (II) oxide was decomposed in the lab. Mercury metal
was formed an...
Chemistry, 10.03.2020 18:38 sahaitong1844
An unknown amount of mercury (II) oxide was decomposed in the lab. Mercury metal
was formed and 6.60 L of oxygen gas was released at a pressure of 0.970 atm and
390.0 K. What was the initial weight of mercury oxide in the sample? (1 point)
1) 48.91 grams
2) 64.32 grams
3) 78.32 grams
4) 86.6 grams
Answers: 3
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22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
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