Answer: 0.024 M
Explanation:
According to the neutralization law,
where,
= molarity of stock solution = 0.12 M
= volume of stock solution = 20.0 ml
= molarity of diluted solution = ? M
= volume of diluted solution = 100.0 ml
Putting in the values we get:
Therefore, the concentration of the resulting solution is 0.024 M.
Answer:
Ok then
Explanation:
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<span>79.70 grams
First, calculate the molar mass of Na2CO3 by looking up the molar mass of the elements used in it.
Sodium = 22.989769
Carbon = 12.0107
Oxygen = 15.999
Multiply each molar mass by the number of atoms used, and sum the results to get the molar mass
2 * 22.989769 + 12.0107 + 3 * 15.999 =105.9872
Finally, multiply the molar mass by the number of moles you need.
0.752 * 105.9872 = 79.7024 grams</span>
Explanation:
Elements are distinct substances that cannot be split-up into simpler substances. Such substances are made up of only one kind of atom.
- Elements are classified as pure substances.
- They are homogeneous in all parts.
- They have a definite composition.
- They cannot be split or broken into simpler substances by physical means.
- There are over a hundred known elements.
- Elements are usually symbolized by a capital letter or capital letter followed by a smaller letter derived from the English or Latin or Greek name of the element concerned.
learn more:
Element brainly.com/question/2572495
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