How many moles of helium are needed to fill a balloon to a volume of 5.8 L at 30 °C and 262 mmHg?

2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4

How manyatoms of mercury are in 1.4214e+1 ml sample

Define dew point. i am writing this part to be able to ask the question