How does a scientist make two solutions with the same molarity?A.By dissolving 1 mole of each substance in enough water to make sure dissolving is completeB.By dissolving the same number of moles of each substance in the same volume of waterC.By dissolving the same number of grams of each substance in the same volume of waterD.By dissolving the maximum amount of each substance in the same volume of waterSUBMITarrow_backPREVIOUS

A student adds two teaspoons of sugar to two glasses, each containing the same amounts of water.How will the student then make the solution in Glass P less concentrated than the solution in Glass Q?ResponsesAdd more water to Glass P.Add more water to Glass P.Add the same amount of water to both Glasses P and Q.Add the same amount of water to both Glasses P and Q.Remove some water from Glass P.Remove some water from Glass P.Remove the same amount water from both Glasses P and QRemove the same amount water from both Glasses P and Q

Sofia and Zara are planning to investigate the solubility of two different substances,A and B, in water. They want to find out which is the most soluble. [3]For each pair of statements, tick (✓) the one that will help them to get the most accurate resultsand give a reason for your choice.a They use the same mass of water for each substance.They use a different mass of water for each substance.Because ________________________________________________________________________b They carry out the investigation using water at different temperatures.They carry out the investigation using water at the same temperature.Because ________________________________________________________________________c They count the numbers of spatulas of the substances added to the water.They measure the masses of the substances added to the water.

How is molarity measured?A.In liters of water per gram of a dissolved substanceB.In moles of a substance dissolved in 1 L of waterC.In liters of water per moles of a dissolved substanceD.In moles of a substance for 1 g of that substance

Molarity is...Group of answer choicesthe moles of solute in 1 L of solution.the grams of solute in 1 L of solution.the moles of solute per mL of solution.the molecules of solute in 1 kg of solution

Dissolving 16 g of a substance X in 100 mL of water forms a saturated solution at 25 °C.The following solutions of substance X in water were prepared at 25 °C:Solution P - 9 g of X in 75 mL waterSolution Q - 4 g of X in 20 mL waterSolution R - 11 g of X in 50 mL waterSolution S - 7 g of X in 60 mL waterWhich of the following is true about the concentrations of the  solutions P, Q, R and S? 1.Concentration of solution S is higher than that of solution Q. 2.Concentration of solution R is lower than that of solution P. 3.Concentration of solution Q is equal to that of solution R. 4.Concentration of solution P is the highest.