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Use the image below to find the density of a ring that has a mass 32g.? orig.-64 beaker with ring-68
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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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Use the image below to find the density of a ring that has a mass 32g.?
orig.-64 beaker with ring-6...
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