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3 years ago

6. Which group of compounds is described as insoluble?

Chemistry

1 answer:

Sedaia [141]3 years ago

3 0

Answer:phosphates are insoluble in water

Explanation:

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An object has a density of 10.00 g/mL. If the object has a volume of<br> 25.00 ml, what is the mass?

SVEN [57.7K]

Answer:

The answer is

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 object = 25 mL

Density = 10 g/mL

The mass of the object is

mass = 25 × 10

We have the final answer as

Hope this helps you

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3 years ago

Which type of reaction happens when a base is mixed with an acid? question 1 options:?

madreJ [45]

Chemicals cancel each other out and produce a salt and water. A neutralization reaction my also occur

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3 years ago

Calculate the molarity of 22.5 g of MgS in 829 mL of solution

krek1111 [17]

Answer:18652.5

Explanation

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3 years ago

A solution of hydrochloric acid (HCl, 25.00 mL) was titrated to completion with 34.55 mL of 0.1020 M sodium hydroxide. What was

kati45 [8]

Answer:

0.1410 M

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

HCl + NaOH —> NaCl + H₂O

From the balanced equation above,

The mole ratio of the acid, HCl (nA) = 1

The mole ratio of the base, NaOH (nB) = 1

Next, the data obtained from the question. This include:

Volume of acid, HCl (Va) = 25 mL

Volume of base, NaOH (Vb) = 34.55 mL

Concentration of base, NaOH (Cb) = 0.1020 M

Concentration of acid, HCl (Ca) =?

CaVa / CbVb = nA/nB

Ca × 25 / 0.1020 × 34.55 = 1/1

Ca × 25 / 3.5241 = 1/1

Cross multiply

Ca × 25 = 3.5241 × 1

Ca × 25 = 3.5241

Divide both side by 25

Ca = 3.5241 / 25

Ca = 0.1410 M

Therefore, the concentration of the acid, HCl is 0.1410 M

3 0

3 years ago

A test tube filled with water is placed over a funnel filled with water and a green plant called Elodea. When the plant is expos

Stells [14]

Answer: The bubbles produced are most likely due to oxygen.

Explanation:

Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.

The balanced chemical reaction for photosynthesis is:

$6CO_2+6H_2O\rightarrow C_6H_{12}O_6+6O_2$

Thus the bubbles produced are most likely due to oxygen.

5 0

3 years ago