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Leto [7]
3 years ago
7

What is the volume in milliliter(ml) of 250 cm ^3 beaker

Chemistry
2 answers:
Olenka [21]3 years ago
7 0

Answer:

a cubic centimeter is the same as a millimeter, so it would just be 250ml

lubasha [3.4K]3 years ago
6 0

Answer:

\boxed {\tt 250 \ mL}

Explanation:

First, let's remember that 1 cubic centimeter is equal to 1 milliliter.

  • 1 cm³ = 1 mL

We have a beaker that is 250 cubic centimeters. Since 1 cubic centimeter is equal to 1 milliliter,

  • 250 cm³= 250 mL

The volume in a 250 cm³ beaker is 250 milliliters.

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What is the molarity of a NaCl stock used to make 750 ml of a dilute 10 mM solution if 5 ml of the concentrated solution was use
ch4aika [34]

Explanation:

The given data is as follows.

          M_{1} = 10 mM = 10 \times 10^{-3} M

          V_{1} = 750 ml,           V_{2} = 5 ml

          M_{2} = ?

Therefore, calculate the molarity of given NaCl stock as follows.

                  M_{1} \times V_{1} = M_{2} \times V_{2}

                  10 \times 10^{-3} \times 750 ml = M_{2} \times 5 ml

                   M_{2} = 1.5 M

Thus, we can conclude that molarity of given NaCl stock is 1.5 M.        

7 0
3 years ago
Show your work including units in your answer.<br> Calculate the molar mass of Li4OH
lorasvet [3.4K]
Empirical formula: Li4OH
Answer:
1 mole: 44.771 g
1 gram = 0.022 mole

Explanation:

Element: Li
Percentage by mass: 62.01%
Number of atoms: 4
Mass of atom;: 6.941

Element: O
Percentage by mass: 35.74%
Number of atoms: 1
Mass of atom: 15.9994

Element: H
Percentage by mass: 2.25%
Number of atoms: 1
Mass of atom: 1.00794

4 0
3 years ago
What is the molarity of the nitric acid solution if 20.5 mL of a 0.125 M lithium hydroxide solution are needed to titrate a 25.0
sveticcg [70]

Answer:: We're asked to find the molar concentration of the NaCl solution given some titration data.

Explanation:

3 0
2 years ago
Which change will decrease the electric force between two positively charged objects? moving them closer together moving them fa
Nina [5.8K]

Answer:

Moving them farther apart

Explanation:

One can try to change the distance between the two positive charges in such a way that it increases the distance and decreased the electric force.

6 0
3 years ago
Read 2 more answers
Milk has a density of 1.04 g/ml. If you have a volume of 510 ml, what is the mass in grams
Law Incorporation [45]

Density is defined as the ratio of mass and volume. The formula of density is:

density = \frac{mass}{volume}     -(1)

Density of milk = 1.04 g/mL   (given)

Volume of milk = 510 mL      (given)

Substituting the values in formula (1):

1.04 g/mL = \frac{mass}{510 mL}

mass= 1.04 g/mL \times 510 mL

mass = 530.4 g

Hence, the mass of the milk is 530.4 g.

4 0
3 years ago
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