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- An aqueous solution of potassium sulfate, K2SO, is made by dissolving 27.6 grams of potassium sulfate in sufficient water in a 300. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of potassium sulfate in the solution?Weight/volume percentage = %Magnesium +Acetic Acid --> C2HG5+ O2 ---> Iron (III) carbonate -->As a chemist, you are tasked to submit a written report about the key solutes dissovled in the sea, the concentration of these solutes at varying deoths and the beneficial and harmful effects of these substances to both plants and animals in the sea.
- Concrete is prepared by roasting the mineral calcium carbonate, CaCO3, to drive off CO2 and produce calcium oxide, CaO. The chemical equation for this reaction is: CaCO3 ==> CaO + CO2 The Grand Coulee Dam on the Columbia River in Washington State was built using a volume of concrete of approximately 1.0 x 107 m3. If concrete has a density of 2.4 x 103 kg/m3, and assuming concrete is 100% by volume CaO, how much CO2 was released producing the concrete used to build the dam?Calculate the number of miles of baking soda present in the volume of a standard teaspoon, show your calculation with values plugged in. 84.01g/mol and 10.5g/tspAn aqueous solution of sodium nitrate, NaNO3 , is made by dissolving 26.7 grams of sodium nitrate in sufficient water in a 300. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of sodium nitrate in the solution? Weight/volume percentage = %
- How many moles of oxygen are consumed in burning 1.6 moles of Benzene, C6H6?CONCENTRATION OF A SOLUTION Discussion This virtual experiment involves the determination of the concentration of salt (sodium chloride, NaCl) in an aqueous solution. Concentration may be expressed many ways, and this experiment studies two systems: molarity (M) and weight/volume percent (%w/v). Molarity is defined as the number of moles of solute (in this case NaCl) in a liter of solution. It is calculated with the following equation: M = moles solute liters solution Percent concentration (w/v) is defined as the number of grams of solute (in this case NaCl) in 100. mL of solution. It is calculated with the following equation: %(w/v) = grams solute x 100 mL solution The experimental method involves taking a specific…CONCENTRATION OF A SOLUTION Discussion This virtual experiment involves the determination of the concentration of salt (sodium chloride, NaCl) in an aqueous solution. Concentration may be expressed many ways, and this experiment studies two systems: molarity (M) and weight/volume percent (%w/v). Molarity is defined as the number of moles of solute (in this case NaCl) in a liter of solution. It is calculated with the following equation: M = moles solute liters solution Percent concentration (w/v) is defined as the number of grams of solute (in this case NaCl) in 100. mL of solution. It is calculated with the following equation: %(w/v) = grams solute x 100 mL solution The experimental method involves taking a specific…
- 5.127 Photosynthesis produces glucose (C6H12O6) and oxygen from carbon dioxide and water:From the following formula, calculate the quantity of each ingredient required to make 4 liters of the lotion Witch Hazel 4 parts (by volume) Glycerin 1 part (by volume) Boric Acid Solution 15 parts (by vol)A solution is prepared by dissolving 155.0 mL of methanol (CH3OH, density = 0.791 g/mL) in 250 mL of water (density 1.00 g/mL) to give a final solution volume of 350.0 mL. Calculate the (a) molarity of the solution, (b) %wt/wt, (c) %wt/vol, (d) %vol/vol
