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In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity
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Explanation:
Sodium Oxide is Na
2
O
Molecular Weight = 46+16 = 62
62g of Na
2
O = 1 mole
620g of Na
2
O = 10 moles
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