Science, asked by sd1587766, 5 months ago

What is the mass of 4 moles of silicon are present in 280 g of silicon?

Answers

Answered by Kanagaraju

3

112gram

Explanation:

Total moles = given mass /atomic mass

= 280 g /28 g = 10 moles of Si atoms in 280g

4mole mass = 280/10 ×4 = 112gram

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