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Determine the weight of Calcium

A calcium sample weighting 607.4 mg was precipitated as oxalate and calcined calcium carbonate giving 246.7 mg. What the
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2. asked by MONICA
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Some solid calcium oxide in a test tube picks up water vapor from the surrounding to change completely into solid calcium
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2. asked by Lucy
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Some solid Calcium Oxide in a test tube picks up water vapor from the surroundings to change completely to Calcium Hydroxide. An
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Determine the weight of Calcium Carbonate decomposed to produce 4 liters of Carbon Dioxide.
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2. asked by Patrick
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Determine the number of moles of calcium per mole of calcium hydroxide.My answer is: Because there is only one calcium ion per
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2. asked by Anonymous
3. 797 views
determine the new molarity of calcium ions when 50.0 mL of a 1.50 M calcium chloride solution are combined with 750.0 mL of a
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2. asked by Wade
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When solid calcium is placed in water, it undergoes a vigorous reaction that produces solid calcium oxide, CaO(s) and hydrogen
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2. asked by julie
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The diffusion coefficient for calcium ions crossing a biological membrane 10nm thick is 300 micrometers squared/second and the
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2. asked by Kelly
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How can a growing animal get calcium to make new bone tissue?A. by removing calcium from its bones B. by making calcium from
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2. asked by Maria Candea
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A calcium iodide solution is made by mixing 0.520g of calcium iodide with 12.0ml of water.1) Determine the moles of calcium
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2. asked by Faith 1
3. 848 views