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timurjin [86]
3 years ago
7

if you have 10.0 grams of baking soda with enough citric acid, how many miles of carbon dioxide can you produce

Chemistry
1 answer:
irina [24]3 years ago
4 0
Ask u r teacher to give a answer
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How many milliliters of water are needed to prepare a 3.5M solution of NaOH if you have .5mol of the solute
Mamont248 [21]

Answer:

1335.12 mL of H2O

Explanation:

To calculate the mililiters of water that the solution needs, it is necessary to know that the volume of the solution is equal to the volume of the solute (NaOH) plus the volume of the solvent (H2O).

From the molarity formula we can first calculate the volume of the solution:

M=\frac{solute moles}{solution volume}

Solutionvolume=\frac{solute moles}{M} =\frac{5mol}{3.5\frac{mol}{L} } =1.429L

The volume of the solution as we said previously is:

Solution volume = solute volume + solvent volume

To determine the volume of the solute we first obtain the grams of NaOH through the molecular weight formula:

MW=\frac{mass}{mol}

Mass=MW*mol=39.997\frac{g}{mol} *5mol=199.985g

Now with the density of NaOH the milliliters of solute can be determined:

d=\frac{mass}{volume}

Volume=\frac{mass}{d} =\frac{199.985g}{2.13\frac{g}{mL} } =93.88mL of NaOH

Having the volume of the solution and the volume of the solute, the volume of the solvent H2O can be calculated:

Solvent volume = solution volume - solute volume

Solvent volume = 1429 mL -  93.88 mL = 1335.12 mL of H2O

7 0
3 years ago
Nnbvcvbnm,.,mnbvcxcvbjklkjhvbn
pav-90 [236]
This are letters of the alphabet some are periods and some are commas also they do not form any words or meaning
hope this helped ;)
3 0
3 years ago
Select the correct answer.
amid [387]

Answer:

D. Na+

Explanation:

Na+ is the only ion here that is not related to pH. Adding OH- increases pH, and adding H3O+ or H+ (the two are interchangeable) decreases pH.

8 0
3 years ago
Which of the following would not be classified as a mineral?
Setler79 [48]
B. a sugar crystal

Because sugar comes from plants, it is classified as an organic compound, not a mineral.
7 0
3 years ago
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Calculate the density in grams per cubic centimeter of a material that has a mass of
vesna_86 [32]

Answer:

1.72 g/cm ^3

Explanation:

3 0
3 years ago
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