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Natalija [7]
2 years ago
10

What is the mass in grams of 0.0015 mol of aspirin (C9H8O4)

Chemistry
2 answers:
Ganezh [65]2 years ago
5 0

Answer:

Answer is 0. 508grams I'm not sure if I'm right but it might be the answer.

almond37 [142]2 years ago
3 0

Answer:

116.1 g

Explanation:

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Calculate relative mass of chlorine and boron by the help of given data Only 30 mins are left
bazaltina [42]
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3 years ago
What is the source of energy for an earthquake
MA_775_DIABLO [31]
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3 years ago
Read 2 more answers
Determine the percent water in MgSO4*7H20?
Semmy [17]

Answer:

\% H_2O=51.2\%

Explanation:

Hello!

In this case, since the percent water is computed by dividing the amount of water by the total mass of the hydrate; we infer we first need the molar mass of water and that of the hydrate as shown below:

MM_{MgSO_4* 7H_2O}=120.36 g/mol+7*18.02g/mol\\\\MM_{MgSO_4* 7H_2O}=246.5g/mol

Thus, the percent water is:

\% H_2O=\frac{7*MM_{H_2O}}{MM_{MgSO_4* 7H_2O}} *100\%\\\\

So we plug in to obtain:

\% H_2O=\frac{7*18.02}{246.5} *100\%\\\\\% H_2O=51.2\%

Best regards!

5 0
2 years ago
Which element has the following electron configuration: <br> 1s22s22p63s23p64s23d104p65s24d105p5
Natasha2012 [34]
Try adding spaces next time! That's iodine. Check all of the numbers to make sure all of the orbitals are filled, then find the ones which aren't. In this one, only the 5p5 subshell isn't full. 5p5 is the fifth row on the right side, count across the nonmetals and metalloids until the fifth one (a halogen). That's iodine, and that's your answer!
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2 years ago
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