Concept explainers
For each of the following solutions, calculate the:
a. grams of a
b. milliliters of a
c. milliliters of an
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Basic Chemistry
- Calculate the percent by mass of solute in each of the following solutions. 5.00 g of calcium chloride dissolved in 95.0 g of water 1.00 g of calcium chloride dissolved in 19.0 g of water 15.0 g of calcium chloride dissolved in 285 g of water 2.00 mg of calcium chloride dissolved in 0.0380 g of waterarrow_forwardA gaseous solute dissolves in water. The solution process has H=15 kJ. Its solubility at 22C and 6.00 atm is 0.0300 M. Would you expect the solubility to be greater or less at (a) 22C and 1 atm? (a) 18C and 6 atm? (a) 15C and 10 atm? (a) 35C and 3 atm?arrow_forwardThe Henry's law constant for the solubility of argon gas in water is 1.0103M/atm at 30C. (a) Express the constant in M/mm Hg. (b) If the partial pressure of argon gas at 30C is 693 mm Hg, what is the concentration (in M) of the dissolved argon gas at 30C? (c) How many grams of argon gas can be dissolved in 29 L of water at 693 mm Hg and 30C? (Ignore the partial pressure of water.)arrow_forward
- What is the final volume (LL) of each of the following diluted solutions? a 8.0 %% (m/v) KOHKOH solution prepared from 10.0 mLmL of a 20.0 %% KOHKOH solutionarrow_forwardWhat is the concentration in v/v% for 250. mL of solution contains 22.6 mL of acetone. (3 SF)arrow_forwardWhat is the volume/volume percent concentration of a solution prepared from 31 mL of ethyl acetate in 280 mL of solution? % (v/v) ethyl acetatearrow_forward
- What is Molarity of a 5.00% (v/v) acetic acid ? Density of pure acetic acid is 1.05 g/mL. MM Acetic Acid: 60.05 g/molarrow_forward4) What is the concentration, inm/m%, of a solution prepared from 40.0 g sodium sulfate and 200.0 g of water? 5) Rubbing alcohol is 70.% isopropyl alcohol by volume. How many millilitersof isopropyl alcohol are in a 1 pint (473 mL) container? 6) How many grams of glucose are needed to prepare 400. mL of a 2.0%(m/v) glucose solution? 7) How many milliliters of a 25% (m/v) NaOH solution would contain 75 g of NaOH?arrow_forward6. How much mL of Acetone is needed to make 100mL of an aqueOus 30% (v/v) Acetone solution? How much mL of H2O is to be used in preparing the solution?arrow_forward
- how you would make 500 mL of a 3.5% (v/v) ethanol solution (m.w. = 46.1 g/mol).arrow_forwardA 2.0% (m/v) NaCl solution contains 2.0 g of NaCl perarrow_forwardA 225 ml solution contains 17.1 g LiCl. Given the density of the solution to be 1.05 g/mL, calculate its : а. Mass/volume percent (m/v) b. Mass/mass percent (m/m) С. Molarity How many mL of 5.0 % (m/v) glucose solution contains 25 mg of glucose ? What is the molarity of a solution containing 8.0 g of NaOH in 400. mL of NaOH solution ? How many g of NaOH is required to make 250 mL of 1.3 M NaOH solution ? Calculate the final concentration of the solution when water is added to dilute 25.0 mL of a 18.0 M HCI into 500. mL solution. What is the initial volume, in milliliters, needed to prepare 350. mL of 2.00 M NaOH from 6.00 M NAOHarrow_forward
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