Chemistry, 16.11.2020 01:40 barnhill6534
A balloon contains 12.1 L of helium gas at STP. What is the mass in grams of He in the balloon?
O 2.16 g He
O 0.545 g He
O 1.09 g He
O 4.32 g He
Answers: 3
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What are the first three quantum numbers for the electrons located in subshell 2s?
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If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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A balloon contains 12.1 L of helium gas at STP. What is the mass in grams of He in the balloon?
O 2...
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