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Brut [27]
3 years ago
5

A student pours 800.0 mL of a 3.000 molar solution of sodium hydroxide into a 2.00 liter volumetric flask and fills the flask up

with water. What is the new molarity of the solution?
A) 12.00 M
B) 1.20 M
C) 14.00 M
D) 0.0750 M
Chemistry
1 answer:
Rus_ich [418]3 years ago
8 0
Dont mind this but dont click on the lino
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What is the frequency of an electromagnetic wave with a wavelength of 1.0 x 10' m?
Dmitriy789 [7]
The frequency of the wave is A
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3 years ago
If I plant a green bean seed in the desert, will it grow thick, barrel-shaped stems full of water like a cactus? Why or why not?
Ket [755]

Answer:

No, although the bean crop can grow perfectly in full sun or a little shade in very warm places. It does not mean that they will adopt the growth patterns of the cactus, especially because this plant needs constant watering (in small quantities), very constant. Beans require good drainage for their growth.

8 0
3 years ago
How many moles of water are produced when 24.3 ml of 0.100 m naoh is mixed with 31.4 ml of 0.08 m acetic acid?
slega [8]
<h3><u>Answer;</u></h3>

0.002512 moles of H2O

<h3><u>Explanation</u>;</h3>

The reaction between acetic acid ( CH3COOH) and NaOH is given by the equation;

CH3COOH + NaOH ------> CH3COONa + H2O

Number of moles of CH3COOH = molarity × volume in litres

                                                     = 0.08 × 31.4/1000

                                                     = 2.512 × 10^-3  

Similarly number of moles of NaOH = 1 × 24.3/1000

                                                      = 0.0243

From the reaction the mole ratio of CH3COOH : NaOH

Therefore; 0.0243 moles of NaOH will react with 0.0243 moles of CH3COOH but no.of moles of CH3COOH given in the question are 0.002512  moles, which is less than what is required.

Thus; CH3COOH is the limiting reagent and amount of products produced will depend on amount of CH3COOH only.

Since; 1 mole of CH3COOH gives 1 mole of water.

Then; 0.002512 moles of CH3COOH will give 0.002512 moles of H2O

5 0
3 years ago
Convert 1.09 g/mL to lbs/gal using dimensional analysis please show steps
tiny-mole [99]
1 g/mL ------------ 8.3454 lbs/gal
1.09 g/mL --------- ?

lbs/gal = 1.09 x 8.3454 / 1

ibs/gal = 9.096 / 1

= <span>9.096 lbs/gal</span>
6 0
4 years ago
Select the appropriate coefficient for O2 when the equation ? O2(g) + ? C5H12(g) → ? CO2(g) + ? H2O(g) is balanced using the sma
Kisachek [45]

Answer:

4O₂ (g) + 1/2C₅H₁₂ (g) →  5/2CO₂ (g)  +  3H₂O (g)

4 would be the smallest possible integer for O₂

Explanation:

The balanced equation is this one:

8O₂ (g) + C₅H₁₂ (g) →  5CO₂ (g)  +  6H₂O (g)

If we divide stoichiometry /2 (the half) we can consider that we use, the smallest possible integers.

8/2O₂ (g) + 1/2C₅H₁₂ (g) →  5/2CO₂ (g)  +  6/2H₂O (g)

4O₂ (g) + 1/2C₅H₁₂ (g) →  5/2CO₂ (g)  +  3H₂O (g)

3 0
3 years ago
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