Answer:
10.76 grams
Explanation:
Given that the amount of
is 25.0 grams.
Mass of 1 mole of
= 158 grams
The number of atoms in 1 mole of
is 4.
Mass of oxygen in 1 mole of
= 16\times 4 = 68 grams.
Here, 158 grams of
has 68 grams of oxygen
So, the amount of oxygen in 1 gram of
= 68/158 grams
Therefore, the amount of oxygen in 1 gram of
=
grams
=10.76 grams
Hence, 25 grams of
has 10.76 grams of oxygen.
well according to what i know....headlights only let you see about 350 feet ahead...hope it helps :)
Answer:
Set an alarm for five hours after your bedtime.
Go to sleep as usual.
When the alarm goes off, stay up for 30 minutes. Enjoy a quiet activity like reading.
Fall back asleep.
Explanation: