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Natali5045456 [20]
3 years ago
11

How many hydrogen atoms are needed to form five water molecules

Chemistry
2 answers:
BARSIC [14]3 years ago
8 0
2 Hydrogen Atoms Are Needed To Form Five Water Molecules
N76 [4]3 years ago
8 0
30 are needed to form five water molecules
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Which of these formulas is NOT consistent with the guidelines for creating ionic compounds? Mark all that apply.
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How many atoms of oxygen are present in 7.51 grams of<br> glycine with formula C₂H5O2N?
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1.205 × 10²³ atoms of oxygen will be present in 7.51 grams of glycine with formula C₂H5O2N. Details about number of atoms can be found below.

How to calculate number of atoms?

The number of atoms of a substance can be calculated by multiplying the number of moles of the substance by Avogadro's number.

However, the number of moles of oxygen in glycine can be calculated using the following expression:

Molar mass of C₂H5O2N = 75.07g/mol

Mass of oxygen in glycine = 32g/mol

Hence; 32/75.07 × 7.51 = 3.2grams of oxygen in glycine

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Number of atoms of oxygen = 0.2 × 6.02 × 10²³ = 1.205 × 10²³ atoms

Therefore, 1.205 × 10²³ atoms of oxygen will be present in 7.51 grams of glycine with formula C₂H5O2N.

Learn more about number of atoms at: brainly.com/question/8834373

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1 year ago
Think about the clouds in the water cycle. Where does the water cycle begin?
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Why do we use commas after transition words?
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