How many grams of NaNO3 would you add to 490 g of H2O to prepare a solution that is 0.590 m in NaNO3?
How many grams of NaNO3 would you add to 490 g of H2O to prepare a...
How many grams of NaNO3 would you add to 500 grams of H2O in order to prepare a solution that is 0.5 moles in sodium nitrate? what would the freezing point of the solution prepared be?
QUESTION 49 How many grams of of NaNO3 are are required to make 551.6 mL of a 0.799 M NaNO3 solution? The molar mass of NaNO3 is 84.995 g/mol. Be sure to report units for you answer, using the accepted abbreviation for the units. DO NOT put a space between the number and the units (i.e., if a student wished to enter a value of 55 grams, they must write "55g" NOT"55 g").
7. At 60oC, NaNO3 has a solubility of 110 grams NaNO3 per 100 grams of water. How many grams of NaNO3 are needed to prepare a saturated solution using 50. grams of water? 9. To what volume would you dilute 250.0 mL of a 0.4500 M NaOH solution to obtain a 0.2700 M solution? 10. How many grams of NaNO3 are needed to prepare a 95.00 mL solution that is 9.5% (m/v)? 11. A 140.0 mL sample of a 0.85...
How many grams of KCl remain in solution at 20 ∘C ? How many grams of solid KCl came out of solution after cooling? A solution containing 84.9 g KCl in 210 g H2O at 50 ∘C is cooled to 20 ∘C . Use the solubility data from the table below. Solubility (g/100gH2O) Substance 20∘C 50∘C KCl 34.0 42.6 NaNO3 88.0 114.0 C12H22O11 (sugar) 203.9 260.4
(a) In the electrolysis of aqueous NaNO3, how many liters of O2(g) (at STP) are generated by a current of 50.2 A for a period of 60.4 min? The unbalanced chemical reaction representing this electrolysis is shown below. NaNO3(aq) + H2O(l) NO(g) + O2(g) + NaOH(aq) liters of O2(g) is generated by this electrolysis. (b) How many moles of NaOH(aq) are formed in the solution in this process? moles of NaOH(aq) are formed.
how to many grams prepare each of of solure would you following Solution? use a) 250.0 mL of 0.600 m ethyl alcohol (C2H60) b) 167ML OP 0-200 m boric acid (HxB0..)
(a) In the electrolysis of aqueous NaNO3, how many liters of O2(g) (at STP) are generated by a current of 64.2 A for a period of 57.8 min? The unbalanced chemical reaction representing this electrolysis is shown below. NaNO3(aq) + H2O(l) NO(g) + O2(g) + NaOH(aq) (see rest in photo) 39. -/0.2 points 0/4 Submissions Used My Notes (a) In the electrolysis of aqueous NaNOs, how many liters of O(9) (at STP) are generated by a current of 64.2 A...
QUESTION 5 How many grams of Tricine (MW = 179) would you need to make 300 mL of a 20 mM solution? QUESTION 6 How many grams of Tricine (MW = 179) would you need to make 50 mL of a 10 UM solution? QUESTION 7 How many grams of magnesium chloride (x6H2O) are contained in 250 mL of a 0.1 M solution? QUESTION 8 How many grams of sucrose (MW 342) are contained in 250 mL of a 0.1...
How many grams of calcium hydroxide would you need to prepare a 7.000 x 102 mL solution of 0.649 M Ca(OH)2? (1 decimal place, fill in the number ONLY!)
How many grams of N are in 7.68 moles of NaNO3?