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Can you explain this step by step, I'm really lost Carbon has an atomic weight of...

Can you explain this step by step, I'm really lost

Carbon has an atomic weight of exactly 12 g/mole. How many moles of carbon are found in a 10.0 kg sample of pure graphite? Show your work and clearly circle your answer. Use significant figures conventions in your answer.

Glass has a density of 2.4 g/cm3 . What is the mass of a cubic meter of glass in tonnes? Draw a cube to help you with the calculation. Show your work and clearly circle your answer.

Calculate the mass of one mole of methane thiol: CH3SH. Average atomic masses: Carbon: 12.011 g/mol; Hydrogen: 1.0079 g/mol; Sulfur: 32.065g/mol

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