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Anni [7]
3 years ago
6

Please help brainiest

Chemistry
1 answer:
Naddik [55]3 years ago
8 0

Answer:

when you say 2 molecules of an atom I assume you mean isotopes

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Sulfuric acid (H2SO4) has a molar mass of 98.1 g/mol. How many oxygen atoms are found in 75.0 g of H2SO4? A. 1.15 × 10^23 B. 1.8
Margarita [4]

Answer:

B

Explanation:

first find the no. Of moles of H2SO4

=  75/98.1

= 0.7645

Next step

In on mole of H2SO4 the no.of oxygen atom is 4.

1 H2SO4 : 4 O

0.7645  : x                     x= 0.7645x4= 3.0581

next multiply avogadros constant

3.0581 x 6.022× 10^23 =1.84x10^24

3 0
4 years ago
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Answer:

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Explanation:

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