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when 1.87 g of gypsum(hydrated

when 1.87 g of gypsum(hydrated calcium sulfate) was heated to constant mass, it lost 0.39 g of water. What is the formula of
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2. asked by jas
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A 1.994 g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temp. above 170 C in a crucible until a
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2. asked by Sarah
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A 1.994 g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temp. above 170 C in a crucible until a
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A 2.914 gram sample of gypsum, a hydrated salt of calcium sulfat, CaSO4, is heated at a temperature greater than 170 degrees
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2. asked by Sara
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A 2.914-g sample of gypsum, a hydrated salt of calcium sulphate, CaSO4, is heated at a temperaturegreater than 170 °C in a
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2. asked by Destiny
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A 1.994-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO_4_, is heated at a temperture greater than 170 degrees C in
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2. asked by Karen
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Which is a non-metal mineral?(1 point)Responses copper copper iron iron gypsum gypsum aluminum
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2. asked by da king
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Which is a non-metal mineral?(1 point)Responses copper copper aluminum aluminum gypsum gypsum iron
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12.5g of hydrated copper(II)sulphide were heated to constant mass 8.0g of solid residue was formed.Determine the formula of the
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a student takes 4.597g of hydrated barium chloride and heats it in a crucible. The anhydrous material weighed 3.919g. What is
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2. asked by Anonymous
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