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nadezda [96]
3 years ago
6

How many neutrons does element X have if its atomic number is 21 and its mass number is 95?

Chemistry
1 answer:
Softa [21]3 years ago
3 0
Atomic # = #of Protons(21)
Mass #= #of neutrons and protons(95)
Neutrons=74

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How many grams of NaCl are in 0.78 moles of NaCl? *
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2.083 Liters of 6.0 M solution sulfuric acid is required. This solved using molecular calculations and Titration.

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<h3>What is Titration?</h3>
  • Titration, commonly referred to as titrimetry, is a typical quantitative chemical analysis method used in laboratories to ascertain the unidentified quantity of an analyte .
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  • To determine concentration, a solution of the analyte or titrand reacts with a known concentration and volume of the titrant. The titration volume is the amount of titrant that has responded.
  • Titrations come in a variety of forms with various protocols and objectives. Redox and acid-base titrations are the two most typical types of qualitative titrations.

To learn more about titration with the given link

brainly.com/question/2728613

#SPJ4

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What is the general structure for a chemical equation?
kramer
<span>A </span>chemical formula<span> is a way of expressing information about the proportions of </span>atoms<span> that constitute a particular</span>chemical compound<span>, using a single line of </span>chemical element<span> symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and </span>plus<span> (+) and </span>minus<span> (−) signs. A chemical formula is not a </span>chemical name showing how the atoms are arranged. 
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