Dash

1.600g of a metallic oxide of type MO were dissolved in100mL 1.0M HCl. The resulting liquid was made up to 500mL with distilled water. 25.00mL of the solution ,then required 21.02mL of 0.1020 M of NaOH for neutralization. Calculate the mass of the oxide c...

When a reservoir is created by a dam,50 fish are introduced into the reservoir ,which has an estimated carrying capacity of 8000 fish. A logistic model of the population is P(t)= 400,000 / 50 + 795e^-0.5t , where t is measured in years. How long does it t...

The sum of 20 and Gail's score is 68.

It's 4,8. Easy, you just count the lines, but note that the S(2-) is on the surface, so it's surrounded by the Li+ of the adjacent unit cell as well as its own.

Oo..I see..but what to do with e?

Sorry,totally forgot about that.. Thanks^^

The answer is B.

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