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fgiga [73]
3 years ago
7

If an acid or alkali is diluted by a factor of 10, what effect will this have on its pH?

Chemistry
1 answer:
Alisiya [41]3 years ago
5 0

Answer: When an acidic solution is diluted with water the concentration of H + ions decreases and the pH of the solution increases towards 7.

Explanation:

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NaOH has a molarity of 2.5 M and a volume of 4 Liters, how many moles are in<br> the solution?
Inga [223]

Answer:

10. mol NaOH

Explanation:

2.5 M = 2.5 mol/L

2.5 mol/L * 4 L = 10. mol

7 0
3 years ago
KHP is a monoprotic acid which provides one H+ ion. How would your results be affected if a diprotic acid (such as sulfuric acid
kari74 [83]

Explanation:

A.

In a diprotic acid, 2 moles of H+ ions is released. Therefore, number of moles of H+ in a diprotic acid = 2 × number of moles of H+ of monoprotic acid.

B.

Equation of the reaction

2NaOH + H2SO4 --> Na2SO4 + 2H2O

Number of moles of H2SO4 = molar concentration × volume

= 0.75 × 0.0105

= 0.007875 moles.

By stoichiometry, since 1 mole of H2SO4 reacts with 2 moles of NaOH. Therefore, number of moles of NaOH = 2 × 0.007875

= 0.01575 moles.

Molar concentration of NaOH = number of moles ÷ volume

= 0.01575 ÷ 0.0175

= 0.9 M of NaOH.

7 0
3 years ago
use the equation 2C4H10 +13O2--&gt;8CO2+10H2O to find how many moles of oxygen would react with .425 mol C4H10
antoniya [11.8K]
2C4H10 + 13O2  →  8CO2 + 10H2O Since the equation is balanced, we can set up a proportion: 13 moles of O2 react with 2 moles of C4H10x  moles of O2 react with 0.425 moles of C4H10 13 → 2x → 0.425 x = 13 * 0.425 / 2 = 2.7625 <span>2.7625 moles of O2 react with 0.425 moles of C4H10</span> 
6 0
3 years ago
Read 2 more answers
What coefficient should be placed before 02?<br> 2S+ __02 → 2S03
Trava [24]

Explanation:

\tt{2S+6O_2\implies{2SO_3}   }

5 0
3 years ago
Which is a key element found in all carbohydrates, lipids, proteins, and nucleic acids?
klemol [59]
Carbon because they all have CHO in the chemical equations
8 0
3 years ago
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