Chemistry, 29.10.2020 20:40 HugoArellano
A gaseous hydrocarbon weighing 0.290 g occupies a volume of 125 mL at 25 °C and 760 mmHg. What is the molar mass of this compound?
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Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
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A gaseous hydrocarbon weighing 0.290 g occupies a volume of 125 mL at 25 °C and 760 mmHg.
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