Question

In: Chemistry

Stephanie dissolves 9 grams of potassium chloride (KCl) in 32. grams of water. What is the...

Stephanie dissolves 9 grams of potassium chloride (KCl) in 32. grams of water. What is the concentration of KCl in her solution using the %(m/m) method?

Mellissa dissolves 26. grams of NaCl with water to make a 218. mL solution. What is the molarity of the solution? There are 1,000 mL in 1

Solutions

Expert Solution


Related Solutions

Anna dissolves 32. grams of glucose with water and the final volume of solute and solvent...
Anna dissolves 32. grams of glucose with water and the final volume of solute and solvent is 122. mL. What is the concentration of glucose in her solution using the %(m/v) method? Amanda dissolves 0.14 moles of NaCl in 300 ml of solution. What is the concentration of NaCl in the solution using the molarity method? Remember that 1,000 mL = 1 Liter Anna dissolves 32. grams of glucose with water and the final volume of solute and solvent is...
A solution of potassium chloride in water contains 384 g KCl per liter of the solution....
A solution of potassium chloride in water contains 384 g KCl per liter of the solution. The specific gravity of the solution is 1.6. Determine the following: The mole fraction of KCl The molarity of the solution The molality of the solution
K-TAB, a slow-release potassium chloride tablet, contains 750 mg of potassium chloride [KCl; MW = 74.5]...
K-TAB, a slow-release potassium chloride tablet, contains 750 mg of potassium chloride [KCl; MW = 74.5] in a wax/polymer matrix. How many milliequivalents of potassium chloride (round to the nearest whole number) are supplied by a 1 tablet dose given 3 times a day?
reaction: potassium chloride with mercury nitrate KCl + Hg2(NO3)2
reaction: potassium chloride with mercury nitrate KCl + Hg2(NO3)2
Calculate the heat/mole KCl when KCl is dissolved in water if 3.00 grams of KCl changes...
Calculate the heat/mole KCl when KCl is dissolved in water if 3.00 grams of KCl changes the temperature of 301 mL of water from 23oC to 29oC. (swater = 4.184 J/goC)
How many grams of potassium chlorate decompose to potassium chloride and 363 mL of O2 at...
How many grams of potassium chlorate decompose to potassium chloride and 363 mL of O2 at 128°C and 740. torr? 2 KClO3(s) → 2 KCl(s) + 3 O2 (g)
How many grams of potassium chlorate decompose to potassium chloride and 932 mL of O2 at...
How many grams of potassium chlorate decompose to potassium chloride and 932 mL of O2 at 128°C and 684 torr? 2 KClO3(s) → 2 KCl(s) + 3 O2 (g)
a. Nickel (II) Chloride dissolves in water to form a light green solution. What ions are...
a. Nickel (II) Chloride dissolves in water to form a light green solution. What ions are present in solution? - that is, what is 'swimming around' in the aqueous solution? Write the formulas. b. Sodium Carbonate dissolves in water to form a colorless solution. What ions are in solution? Write the formulas. c. When solutions of nickel (II) chloride and sodium carbonate are combined, a green nickel (II) carbonate precipitate forms. What is the formula of the precipitate? d. Write...
QUESTION 1 Magnesium chloride (MgCl2) dissolves completely in water. What is the molarity of the Mg2+(aq)...
QUESTION 1 Magnesium chloride (MgCl2) dissolves completely in water. What is the molarity of the Mg2+(aq) cation in a 0.00500 M MgCl2(aq) solution? (3 significant digits, units M) 1 points    QUESTION 2 What is the molarity of Cl-(aq) anion in the same solution as Question 1? (3 significant digits, units M) 1 points    QUESTION 3 The parts per million (ppm) unit can be expressed as mg solute per liter solution (mg/L) for dilute aqueous solutions. Convert the Mg2+(aq)concentration...
You are asked to prepare a solution that contains potassium chloride (KCl) at 20 mEq/L. How...
You are asked to prepare a solution that contains potassium chloride (KCl) at 20 mEq/L. How much of a 2 mEq/ml solution of KCl should be added to a 500 ml of fluids to comply with this order? a. 5 ml b. 10 ml c. 20 ml d. 30 ml A 10 kg dog needs nitroprusside (50 mg/2 ml) administered as a CRI at 3 mcg/kg/min given at 5 ml/hr. A total volume of 50 ml will be prepared. How...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT