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Questions tagged 'Mass Calculation'

3 questions

D
Dahlia Grimes

Dec 07, 2024

determine the mass of in grams of 0.0489 mol cobalt?

Could someone please help me determine the mass, in grams, of 0.0489 moles of cobalt? I'm having trouble figuring it out! Thank you!

A
Anonymous

Nov 03, 2024

A sample of hydrogen gas has a volume of 8.22 L at a temperature of 22°C and a pressure of 3.5 atm.?

A sample of hydrogen gas has a volume of 8.22 L, a temperature of 22°C, and a pressure of 3.5 atm. Can you please calculate the mass of hydrogen gas present in this sample? Please provide your answer...

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Anonymous

Oct 18, 2024

pls check my physics work (actually want to get it right so i won’t have to redo it again)?

An object has a gravitational potential energy of 750 joules while sitting on a shelf 3.0 meters above the ground. What is the object’s mass? I calculated it as: (750) / (3.0) = 250. However, I’m...