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scoundrel [369]
3 years ago
5

Which of these compounds has the correct chemical formula? 1. ba3po4 2. (nh4)2so4 3. mg2oh 4. lif2 5. caoh?

Chemistry
1 answer:
sergiy2304 [10]3 years ago
4 0
Ba3PO4 is not neutral, it is positive.  (NH4)2SO4 is neutral, the charges cancel.
Mg2OH is not neutral, it is positive.  LiF2 is not neutral, it is negative.  CaOH is not neutral, it is positive.  The answer is (NH4)2SO4, correct ions will have a neutral charge.
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A liquid has a density of 1g/mL. If you have 50mL of the liquid, what would its mass be?
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Answer:

<h2>The answer is 50 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume of liquid = 50 mL

density = 1g/mL

The mass of the liquid is

mass = 50 × 1

We have the final answer as

50 g

Hope this helps you

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