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almond37 [142]
4 years ago
6

Over 100 existing elements are listed and classified on the ____________________.

Chemistry
2 answers:
Dmitriy789 [7]4 years ago
8 0
Periodic table.

There is every element listed on the periodic table grouped and listed properly.

Hope this helps, let me know if you have questions. Have a great day!
Nadusha1986 [10]4 years ago
3 0
The answer is Periodic table
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4 years ago
Given the following balanced equation, determine the rate of reaction with respect to [SO3]. If the rate of O2 loss is 3.56 x 10
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Answer:

7.12 × 10⁻³ M/s

Explanation:

Step 1: Write the balanced reaction

2 SO₂ + O₂ ⇒ 2 SO₃

Step 2: Establish the appropriate molar ratio

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7 0
3 years ago
When a chemist titrates a standard solution of 168.61 mL of hydrochloric acid (HCl) with 0.104 M sodium hydroxide (NaOH) , she f
ch4aika [34]
The conc of NaOH is 0.104M which means that 1000mL solution contains 0.104mol of NaOH, so the amount of moles used in the titration will be
\frac{0.104mol}{1000mL} * 259.4mL = 4.00* 10^{-7} mol
The reaction of NaOH and HCl is one to one so the moles of HCl that were titrated will also be 4.00* 10^{-7} mol
The Molarity is therefore
\frac{4.00* 10^{-7} mol}{168.61 mL} * 1000mL = 2.38* 10^{-6} M
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