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RSB [31]
4 years ago
12

How can you remember an individual element's ionic charge?

Chemistry
2 answers:
Talja [164]4 years ago
8 0
What the other person said jus write it down or take a picture
docker41 [41]4 years ago
6 0

Answer:

write it down

Explanation:

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It contribus OH-ions
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2 years ago
The ph of lemon juice is approximately 2.40. at this ph, the hydronium ion concentration is closest to which concentration? 4.0
swat32
pH = -log[H₃O⁺(aq)]

here the pH is given as 2.40.

Hence,
  2.40               = -log[H₃O⁺(aq)]
log[H₃O⁺(aq)]  = -2.40
[H₃O⁺(aq)]       = 3.98 x 10⁻³ M
                        = 4.0 x 10⁻³ M

Hence, the hydronium ion concentration in juice is 4.0 x 10⁻³ M.

Since, the pH is less than 7, the juice is acidic.
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3 years ago
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Just be nice, and compliment her
3 0
3 years ago
Read 2 more answers
A horse runs 1 km in 15 s. What is the average speed
Reptile [31]

The average speed of the horse for the entire motion is 66.67 m/s.

The given parameters;

  • <em>distance traveled by the horse, d = 1 km = 1,000 m</em>
  • <em>time of motion of the horse, t = 15 s</em>

The average speed of the horse is calculated by dividing the total distance traveled by the horse by the time of motion.

The average speed of the horse is calculated as follows;

average\ speed = \frac{distance}{time} \\\\average\ speed =  \frac{1000 \ m}{15 \ s} = 66.67 \ m/s

Thus, the average speed of the horse for the entire motion is 66.67 m/s.

Learn more here: brainly.com/question/17289046

6 0
3 years ago
Classify the ff in to oxide,salt,base,acid.1,sodium sulphate2,hydrogen catbonate​
kupik [55]

Answer:

Hydrogen carbonate is an acid, sodium Sulfate is a salt.

Explanation:

Hydrogen carbonate is a weak acid because it will partially ionize in water while sodium sulfate is a neutral salt which is formed when neutralization of acid and base takes place

4 0
3 years ago
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