Question

a.)
How many grams of BaCl2 are needed to make a 30.0 mL sample of a
1.25 M solution?

b.) If the above solution is mixed with 20.0 mL of water, what
is the concenttation of the resulting solution?

Answer #1

How many grams of MgCO3 are needed to make 255 mL of
a 1.25 mol/L solution.

a) How many mL of a 12.0M solution of HI are needed to make up
250.0 mL of a 0.500 M solution of HI?
b) How many grams of NaNO2 are needed to make of 500 mL of a
1.30 M solution of sodium nitrite?
Please include explanation.

(a) How many milliliters of 0.165 M HCl are needed to
neutralize completely 35.0 mL of 0.101 M
Ba(OH)2 solution?
________ ml
(b) How many milliliters of 2.50 M
H2SO4 are needed to neutralize 50.0 g of
NaOH?
_________ mL
(c) If 56.8 mL of BaCl2 solution is needed to
precipitate all the sulfate in a 544 mg sample of
Na2SO4 (forming BaSO4), what is
the molarity of the solution?
_________M
(d) If 47.5 mL of 0.250 M HCl solution...

(a) How many milliliters of 0.165 M HCl are needed to neutralize
completely 35.0 mL of 0.101 M Ba(OH)2 solution? ______ml
(b) How many milliliters of 3.50 M H2SO4 are needed to
neutralize 75.0 g of NaOH?
_______mL
(c) If 55.8 mL of BaCl2 solution is needed to precipitate all
the sulfate in a 544 mg sample of Na2SO4 (forming BaSO4), what is
the molarity of the solution?
________M
(d) If 47.5 mL of 0.375 M HCl solution is needed...

a pool is 30.0 m long and 26.0 wide how many ml of water are
needed to fill the pool to an average depth of 8.65 ft
enter the answer in scientific notation
and ml unit

How many grams of Ba3(PO4)2 can
be made when 100 mL of 0.300 M BaCl2 are allowed to
react with 50.0 mL of 0.800 M Na3PO4?

You have 47.0 mL of a 0.500 M stock solution that must be
diluted to 0.100 m. Assuming the volumes are additive, How much
water should you add?
(a) 1.How many grams of CaCl2 are needed to make 866.0 g of a
solution that is 39.0% (m/m) calcium chloride in water? Note that
mass is not technically the same thing as weight, but (m/m) has the
same meaning as (w/w).
(a)2. How many grams of water are needed to make...

Determine how many grams of each of the following solutes would
be needed to make 3.40*102 mL of a 0.100 M solution
A) Cesium iodide (CsI)
B)Sulfuric acid
C)sodium carbonate
D)Potassium dichromate
E)potassium permanganate

How many liters of 0.250 M of NaOH are needed to create 750.0 mL
of a 100.00 mM histidine buffer at pH=2.50?
If you added 1.00 mL of a 6.00 M HCl to the buffer (750.0 mL) in
the part above, what would be the resulting pH? If you added 1.00
mL of a 6.00 M HCl to 750 mL of pure water what would be the pH of
this solution be? CIRCLE BOTH ANSWERS

How many grams of BaSO4 are formed when a 250 mL of .800 M of
sodium sulfate solution is added to 300.0 mL of aqueous 0.455 M
BaCl2?(Hint: this is also a limiting reactant problem)

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