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mariarad [96]
3 years ago
6

you are studying an animal that produces only one offspring every three or four years. Is it likely to use external or internal

fertilization?
Chemistry
1 answer:
Igoryamba3 years ago
6 0

Answer:

internal fertilization

Explanation:

Internal fertilization enhances the fertilization of eggs by a specific male. Fewer offspring are produced through this method, but their survival rate is higher than that for external fertilization.

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What mass of agno3 can be dissolved in 250g of water at 20°c?
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Hello there,

You should know the <span>solubility of AgNO3 in water at 20°C equals to 2220 g/L.

So we can say that in 1 L of water, 2220 g of AgNO3 can be dissolve.

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Which means 1000 g of water can dissolve 2220 g of AgNO3.

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So : </span>x = \frac{250*2220}{1000} =  \frac{555000}{1000}= 555g.

In short, 555g of AgNO3 can be dissolved in 250g of water at 20°C.

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