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kakasveta [241]

4 years ago

12

Why is sexual reproduction beneficial

1 answer:

katen-ka-za [31]4 years ago

4 0

It provides a source of variety and differences because asexual reproduction creates exact copies or clones

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Match the best method to separate the parts of each mixture....

mojhsa [17]

Sand and gravel i think

6 0

3 years ago

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What is the total number of strontium and phosphate ions you have added to your solution after two or three shakes? why are ther

Brrunno [24]

<span>Assuming that there are 36 strontium and 24 phosphate, there aren’t any equal cations and anoins because in theory only one ionic bond is formed by a strontium with each phosphate ion. To the point that a cation will eventually have an excess.</span>

4 0

3 years ago

A mixture contains 20% iron ions by mass. What mass of iron chloride (FeCl) would

omeli [17]

Mass of iron chloride (FeCl₂) : 22.68 g

<h3>Further explanation</h3>

Proust stated the Comparative Law that compounds are formed from elements with the same Mass Comparison so that the compound has a fixed composition of elements

In the same compound, although from different sources and formed by different processes, it will still have the same composition/comparison

With this law, we can calculate how many grams an element is needed to make a compound with a certain mass, as desired

<h3 />

$\tt mass~Fe=\dfrac{Ar~Fe}{MW~FeCl_2}\times mass~FeCl_2$

The iron ions in 50 g mixture :

$\tt 20\%\times 50~g=10~g$

$\tt 10=\dfrac{56}{127}\times mass~FeCl_2\\\\mass~FeCl_2=22.68~g$

8 0

3 years ago

If apples are $.67/lb, what is the cost of 2.5 kg of apples?

Varvara68 [4.7K]

Answer:

The cost would be $1.68

Explanation:

I found the answer by multiplying

.67x or .67lb with 2.5, getting $1.68

8 0

3 years ago

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A student estimated a mass to be 250 g but, upon carefully measuring it, found the value to be 240 g. What is the percent error

attashe74 [19]

Im sure that the answer is C, correct me if im wrong.

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3 years ago