Answer:
2.67761514 moles
Explanation:
0.075kg equates to 75g.
This means that the car emits 75g of CO per km.
dividing 75g by the molar mass of CO (28.01g/mol) we get 2.67761514 moles
Missing question:
<span>a) mass.
b) diameter.
c) distance from the Sun.
d) density.
Answer is: </span>d) density.
Earth has the highest density of all eight planets in the Solar System, density of the Earth is 5.514 g/cm³<span>.
</span>The four inner planets,<span> closest to the Sun, are all </span>terrestrial planets, which means they are composed of silicate rocks and metals and four outer planets<span> are </span>gas giants, they<span> are composed of hydrogen, helium and water.
</span>Earth is third planet from the Sun.
In order to balance this, you have to count
each element where the elements in the reactants side and the product side
should have equal number of molecules. The balanced reaction is as follows:
KOH + H3PO4 = KH2PO4 +H2O
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