Answer:
I think the coefficient is 4
Answer:
Explanation:
The volume of the Sun is so huge that it could hold over 1 million Earths. The Sun is a typical star, and is also the star that is nearest to the Earth. It is composed of a mixture of 73% hydrogen, 25% helium, and 2% other elements by weight.
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₈₄²¹⁰Po ⟶ ₈₂²⁰⁶Pb +
Your equation is:
₈₄²¹⁰Po ⟶ ₈₂²⁰⁶Pb + ?
It becomes easier to balance the equation if we replace the "?" with an element symbol _<em>x</em>^<em>y</em>Z.
Then the equation becomes
₈₄²¹⁰Po ⟶ ₈₂²⁰⁶Pb +_<em>x</em>^<em>y</em>Z
The main point to remember in balancing nuclear equations is that the <em>sums of the superscripts and the subscripts</em> must be the same <em>on each side of the equation</em>.
Sum of superscripts: 210 = 206 + <em>y</em>, so <em>y</em> =4.
Sum of subscripts: 84 = 82 + <em>x</em>, so<em> x</em> = 2.
₈₄²¹⁰Po ⟶ ₈₂²⁰⁶Pb +
We should recall that is an <em>α particl</em>e.
Thus, the equation represents the α decay of polonium-210 to lead-206.
The nuclear equation is
₈₄²¹⁰Po ⟶ ₈₂²⁰⁶Pb +
The formula of acetylsalicylic acid is C9H8O4. And the gram formula mass of the molecule is 180 g/mol. So there is 325/180 = 1.8 mol. There is 6.02*10^23 molecules per mol. So the answer is 1.08 * 10^24 molecules.