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Mamont248 [21]
3 years ago
6

An amphitheatre has 15 seats in the first​ row, 19 in the​ second, 23 in the​ third, and so​ on, for 34 rows. How many seats are

in the​ amphitheatre?
Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0

Total seats=15+19+23+27+31+35+39+43+47+51+55+59+63+67+71+75+79+83+87+91+95+99+103+107+111+115+119+123+127+131+135+139+143+147=2754 seats

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To solve this problem, we have to apply mole-concept to this and we would need the molar mass of AlCl3.  2g of AlCl3 contains 9.034*10^21 molecules.

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