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GalinKa [24]
3 years ago
13

1. What is the mass of a solution that has a concentration of 37 g/L and a volume of 600 mL?

Chemistry
1 answer:
Ulleksa [173]3 years ago
8 0

Answer:

The answer is

<h2>22.2 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

density = 37 g/L

First we must change the volume from mL to L

1000 mL = 1 L

600 mL = 0.6 mL

volume = 0.6 mL

mass = 37 × 0.6

We have the final answer as

<h3>22.2 g</h3>

Hope this helps you

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A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the pressure is increased to 1.25 atm. (Boyle)
vlabodo [156]

Answer:

<h2>2.60 L</h2>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

From the question we have

V_2 =  \frac{4.31 \times 0.755}{1.25}  =  \frac{3.25405}{1.25}  \\  = 2.60324

We have the final answer as

<h3>2.60 L</h3>

Hope this helps you

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