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Kitty [74]
4 years ago
14

Which is produced when a base reacts with water?

Chemistry
1 answer:
MrRissso [65]4 years ago
3 0

Answer:

d

Explanation:

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How many molecules are there in 42 grams of AIF3
Sever21 [200]

Answer:

The correct answer is - 3.012×10^23  molecules

Explanation:

The number of molecules is present in any mole of an element or compound are the same. To find the molecules you need to multiply the number of the moles of the compound by Avogadro's number:

Moles are calculated from the molecular weight, for AlF3

= 26.98 + 3×19

= 26.98 + 57

= 83.98

Then moles in 42 grams:

= 42/83.98

= 0.5001190 moles

Now the number of molecules = moles*Avogadro's number

= 0.500110×6.022×10^23

= 3.011×10^23  molecules

7 0
3 years ago
Write a paragraph (5-7 sentences) describing pH and conductivity.
PilotLPTM [1.2K]

Answer:

pH is a measure of hydrogen ion concentration, a measure of the acidity or alkalinity of a solution. The pH scale usually ranges from 0 to 14. Aqueous solutions at 25°C with a pH less than 7 are acidic, while those with a pH greater than 7 are basic or alkaline. A pH level of 7.0 at 25°C is defined as "neutral" because the concentration of H3O+ equals the concentration of OH− in pure water. On the other hand, electrical conductivity is a non-specific measurement of the concentration of both positively and negatively charged ions within a sample. So the short answer to the question is as follows, the presence of any hydrogen ions present in a substance will impact the pH level and most probably influence conductivity levels. However, hydrogen ions make up only a small part of the ion concentration measured by a conductivity meter.

4 0
2 years ago
The R-COOH compound behaves as an _____. acid base alcohol ester
nadezda [96]
The correct answer is base 

8 0
3 years ago
Read 2 more answers
What is the smallest unit of matter that can retain the chemical properties of an element?
Sindrei [870]

I think your answer would be an Atom because it is referred to as the smallest unit of matter that retains the chemical properties of an element.

I Hope my answer help you :)

8 0
3 years ago
Straight or lgbt ghhhhhhhhhhhhhhhhhhhhhhhhh
Free_Kalibri [48]

Answer:

straight

Explanation:

4 0
3 years ago
Read 2 more answers
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