The mass of a dust particle is approx 7.5×10^-10kgs and the mass of an electron is 9.1×10^-31kgs.approx how many electrons have the same as one dust particle??
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8.24 * 10²⁰ electrons have the same mass as one dust particle if mass of a dust particle is approx 7.5×10⁻¹⁰ kgs and mass of an electron is 9.1×10⁻³¹ kgs
Step-by-step explanation:
The mass of a dust particle is approx 7.5×10⁻¹⁰ kgs
The mass of an electron is 9.1×10⁻³¹ kgs
Number of Electrons having mass equal of one dust particle = mass of a dust particle / mass of an electron
= 7.5×10⁻¹⁰ / 9.1×10⁻³¹
= 0.824 * 10²¹
= 8.24 * 10²⁰
8.24 * 10²⁰ electrons have the same mass as one dust particle
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