2 years ago

WHO CAN HELP ME ON THIS NEED OF HELP! Due soon !

1 answer:

7 0

Answer:

Runoff from a cattle ranch

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Law Incorporation [45]

Answer:

Number of moles of sodium dissolved = 6.0 *10^23

Explanation:

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Solution

a) Total 181 ions of Na are dissolved

The number of moles of sodium dissolved = 181/6.023 *10^23

Number of moles of sodium dissolved = 5.987 * 10^23

Number of moles of sodium dissolved = 6.0 *10^23

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3 years ago

Lana71 [14]

W=m₁/m₀=2^(-t/T)

t=4.6·10⁹ years
T=5·10¹⁰ years

w=2^(-4.6·10⁹/5·10¹⁰)

w=0.9382
w=93.82%

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3 years ago

Natali5045456 [20]

MgCl2 = 1Mg + 2Cl = 1(24.3) + 2(35.45) = 95.2g/1mole
7.50moles MgCl2 x 95.2g MgCl2 = 714g MgCl2

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ElenaW [278]

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