Question

1) how many grams of barium nitrate are needed to prepare 100.0 mL of 0.450 M solution?

2) Calculate the Molarity of the solution prepared by dissolving 35.0 g of NaNO3 in a total volume of 150.0 ml solution.

3) What volume of 0.0955 M KMnO4 (aq) solution can be prepared from 1.256 g of KMnO4?

4) what is the molarity of the solution prepared by diluting 45.5 mL of 5.00 M HNO3 to 650.0 ml?

5) what volume of 2.50 M H2O2(aq) do you need to make 400. mL of 0.100 M H2O2(aq)?

6) which of the following contain the fewest atoms? a) 10.0 g Ne, b)10.0 g He, c) 10.0 g Ar, d) 10.0 g Kr, e) 10.0 g Mg

Answer #1

a. A soft drink contains 11.5% sucrose (C12H22O11) by mass. How
much sucrose, in grams, is contained in 355 mL (12 oz) of the soft
drink? (Assume a density of 1.04 g/mL.)
b.Calculate the molarity of a solution made by putting 55.8 g of
NaNO3 into a beaker and diluting to 2.50 L.
c. Calculate the mass percent (m/m) of a solution prepared by
dissolving 50.92 g of NaCl in 156.8 g of H 2 O .

A) How many grams of solid silver nitrate would you need to
prepare 150.0 mL of a 0.140 M AgNO3 solution? B) An experiment
calls for you to use 100 mL of 0.30 M HNO3 solution. All you have
available is a bottle of 3.8 M HNO3. How many milliliters of the
3.8 M HNO3 solution do you need to prepare the desired solution? C)
How many milliliters of water do you need to prepare the desired
solution?

How many mL of 7.73 M NaOH are needed to prepare 324 mL of 0.146
M NaOH?
Your Answer:
Question 5 options:
Answer
units
What is the molarity of a NaOH solution if 27.1 mL are needed to
titrate a 0.6119 g sample of KHP?
Your Answer:
Question 6 options:
Answer
units

(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...

1. Isopropyl alcohol is mixed with water to produce a 35.0%
(v/v) alcohol solution. How many milliliters of each component are
present in 745 mL of this solution? (Assume that volumes are
additive.)
1A- _____ mL alcohol
1B-_____ mL water
2. Calculate the volume percent of solute in the following
solutions.
2A- 16.9 mL of methyl alcohol in enough water to give 547 mL of
solution. _____%
2B- 68.1 mL of ethylene glycol in enough water to give 229 mL...

1. Given the following reaction
2C2H6(l)
+ 7 O2(g)
®
4CO2(g)
+
6H2O(l)
How many moles of water are produced when 4.5 moles of oxygen
react? (Hint: Use slides
5-8)
2. Given:
I2 + 3
F2
® 2 IF3
How many moles of I2 are needed to form 3 moles of
IF3?
How many moles of F2 are needed to form 10 moles of
IF3?
How many moles of I2 are needed to react with 3.5
moles of
F2? ...

1) Describe an example of each of the following that may be
found of your kitchen: Explain how your choice falls into this
category, and if there is a chemical name or symbol for it, provide
that as well. Provide a photo of your example with your ID card in
it. a) a compound b) a heterogeneous mixture c) an element (symbol)
Moving to the Caves… Lechuguilla Caves specifically. Check out this
picture of crystals of gypsum left behind in...

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