Molar mass of NaHCO3 is 83.9. moles of Na...O3= 5.8/83.9
=0.0691
for every mole of Na..O3 there are 3 O
n(O) = n(NaHCO3) x3
= 0.207
mass of O is the moles x molar mass (16)
therefore the mass of O is 3.3 grams
<span>The Stars, the Earth, the Solar System, the Milky Way, and
the universe are some basic
structures in which the objects in the space are grouped together. Stars
group together to create constellation. We live on earth, our planet that
evolves on its orbit around the sun. The Solar system is composed of
planets, sun and other objects. The Milky Way Galaxy consists of billions
of stars grouped together. And the Universe that holds billions of galaxies
all throughout the space.</span>
Answer:
<em><u>The atmosphere layer nearest to the planet is named because the layer. on the far side the layer are the layer, the layer, the layer, and also the layer. The atmosphere is created of 78% N, 21% oxygen, and smaller amounts of atomic number 18, carbonic acid gas, helium, and neon.</u></em>
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Answer:
During the fractional distillation of crude oil: heated crude oil enters a tall fractionating column , which is hot at the bottom and gets cooler towards the top. vapours from the oil rise through the column. vapours condense when they become cool enough. liquids are led out of the column at different heights.
