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Murljashka [212]
3 years ago
7

What is the number of grams in 1.25x10^25 molecules of aluminum oxide

Mathematics
1 answer:
aalyn [17]3 years ago
7 0

Answer:

Mass = no. of molecules / 6.023 * 10^ 23 * Molar mass

Step-by-step explanation:

Molar mass of CO2 = 44g/mol

1.5

⋅

10

25

6.023

⋅

10

23

= 51.5 moles of CO2

51.5

⋅

44g/mol

=

2266 grams

Hope this helped

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Answer:

No. It can be obtuse angle are angles greater than 90° but less than 180°

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Step-by-step explanation:

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3 years ago
How long will it take for the balance of an account to double if the savings account earns 0.75% annual interest compounded mont
spin [16.1K]
Let the amount deposited (principal) be x, then the amount after the required time = 2x.
A = P(1 + r/n)^nt: where A is the future value = 2x, P is the principal = x, r is the rate = 0.75%, n is the number of accumulation in a year = 12, t is the number of years.

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