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3 years ago

12

How long does it take for light to travel??

1 answer:

Alja [10]3 years ago

6 0

499.0 seconds, light travels at a speed of 299,792 kilometers per second; 186.287 miles per second.

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what mass of carbon dioxide will be produced when 12.9 g of butane reacts with an excess of oxygen in the following reaction?

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3 years ago

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2 years ago

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Calculate the amount of solute needed for 1000 ml of 15% sodium thiosulfate

maksim [4K]

15% = 15 grams of solute in 100 mL solution

15 g --------------- 100 mL
?? ------------------ 1000 mL

1000 x 15 / 100 =

15000 / 100 => 150 g of solute

hope this helps!

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3 years ago