Which of the following will weigh maximum? — Chemistry1 | Mockzy

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Which of the following will weigh maximum?

40 g iron

1.2 g atom of N

1 × 10²³ atoms of carbon

1.12 L of O2 at STP

The density of O2 at NTP is 1.429 g/L. Calculate the standard molar volume.

How many moles of Mg3(PO4)2 will contain 0.25 mole of oxygen atoms?

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