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Chemistry, 21.06.2019 13:00
Asolution at 25 degrees celsius is 1.0 ร 10โ5 m h3o+. what is the concentration of ohโ in this solution?
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Chemistry, 22.06.2019 12:30
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
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Chemistry, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 22.06.2019 19:00
How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 โ cu(no3)2 + 2 ag
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What is the number of moles in 432 g Ba(NO3)2? A. 0.237 mol B. 0.605 mol C. 1.65 mol D. 3.66 mol...
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