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True [87]
3 years ago
6

What is the pH of a solution formed at the neutralization point by the reaction of 25.0 mL of 0.180 molar acetic acid (Ka = 1.8

× 10-5) and 35.0 mL of 0.250 molar sodium hydroxide?
Chemistry
1 answer:
zvonat [6]3 years ago
5 0
453.87 (whatever label you use, most highschools are different but i dont want to give you the wrong label!)
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Which lists only abiotic factors in this environment?
alukav5142 [94]

In this case, among the list of components given, the abiotic factors are water, rock, soil, and sun.

<h3>What is an abiotic factor?</h3>

An abiotic factor is a non-living part of an ecosystem that shapes its environment.

Biotic and abiotic factors make up a community via interaction.

Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.

Hence, in this case, among the list of components given, the abiotic factors are water, rock, soil, sun

Learn more about the abiotic factor here:

brainly.com/question/10111151

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4 0
2 years ago
Balance the following reaction:<br> C₃H1₂ +<br> 02<br> CO2 +<br> H20
Bumek [7]

Answer:

C₃H1₂ +

Explanation:

just took the exam

8 0
3 years ago
1. Three quantum numbers are derived from Schrodinger’s equation that describe the probability of finding an electron around a n
Alenkasestr [34]

Answer:

Tenant farming is an agricultural production system in which landowners contribute their land and often a measure of operating capital and management, while tenant farmers contribute their labor along with at times varying amounts of capital and management.

Explanation:

4 0
4 years ago
Chlorofluorocarbons such as CCl2F and CCI,F, have been linked to ozone depletion in Antarctica. In 1994, these gases were found
Ilya [14]

Answer:

a) molarity of CCl3F = 1.12 × 10^-11 mol/dm³

Molarity of CCl2F2 = 2.20 × 10^-11 mol/dm³

B) molarity of CCL3F = 7.96 × 10 ^-13 mol/dm³

Molarity of CCl2F2 = 1.55 × 10^-12 mol/dm³

Explanation:

Using the ideal gas equation:

PV = nRT

Further explanations are found in the attachment below.

4 0
4 years ago
How many atoms are in a sample of 175 grams of sodium (na)? 1.42 × 10^27 atoms 4.58 × 10^24 atoms 6.68 × 10^-21 atoms 1.26 × 10^
Alenkasestr [34]
Atomic mass Na = 22.99 u.m.a

22.99 g ------------------ 6.02x10²³ atoms
175 g -------------------- ?? atoms

175 x (6.02x10²³) / 22.99 => 4.58x10²⁴ atoms

hope this helps!
5 0
4 years ago
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