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Paha777 [63]
3 years ago
12

Label the sun. which layer of the sun is #3?

Chemistry
1 answer:
horsena [70]3 years ago
4 0

Answer:

Explanation:

corona

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Adding perchloric acid to water would cause it's conductivity to increase.
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How many meters did the bus travel in 4.5 minutes
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What is the first step in nuclear fission? 60 POINTS BRAINLIEST
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5 0
3 years ago
How many total atoms are in 0.530 g of P2O5/12131141/dc2696ff?utm_source=registration
Lyrx [107]
In order to calculate the number of atoms present in 0.53 grams of P₂O₅, first calculate the number of moles for given mass.

As, Moles is given as,

                             Moles  =  Mass / M.mass

                             Moles  =  0.53 g ÷ 283.88 g.mol⁻¹

                             Moles  =  0.00186 moles

Now calculate the number of Molecules present in calculated moles of P₂O₅.

As,
                        1 Mole of P₂O₅ contains  =  6.022 × 10²³ Molecules
So,
             0.00186 Moles of P₂O₅ contain  =  X Molecules

Solving for X,
                        X  =  (0.00186 mol × 6.022 × 10²³ Molecules) ÷ 1 mol

                        X  =  1.12 × 10²¹ Molecules

Also, in P₂O₅ there are 7 atoms, in 1.12 × 10²¹ Molecules there will be.....

                            = 1.12 × 10²¹ × 7

                            =  7.84 × 10²¹ Atoms
Result:
            
7.84 × 10²¹ Atoms are present in 0.53 grams of P₂O₅.
8 0
3 years ago
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