3 years ago

What is the concentration if 20 grams of NaOH was dissolved in enough water to make a 250 mL NaOH solution?

Chemistry

1 answer:

gizmo_the_mogwai [7]3 years ago

3 0

Answer: 1 molar NaOH contains 40 grams of NaOH per every liter of water

Explanation:

so 2 M NaOH contains twice that amount, ie. 80 grams per liter. Then, ine 250 ml of weater, there should be 80/4 = 20 grams of solid NaOH dissolved.

You might be interested in

40 POINTS!!

natali 33 [55]

I'm not sure if this is the exact answer for I do not learn this in school yet. But I hope this helps!

3 ZnS + 2 AlP = Zn3P2 + Al2S3

- Kana

4 0

3 years ago

2. During asexual reproduction in paramecia, a single paramecium becomes two new

zloy xaker [14]

Answer:

ion no

Explanation:

ion no

4 0

3 years ago

How has the taxonomy of organisms changed over time

neonofarm [45]

Answer:

When scientist find new species that may have to change classification systems in order to accommodate them. DNA sequencing has also let us find out more about evolutionary relationships. The more recent the common ancestor, the more closely related the two species are.

Explanation:

8 0

3 years ago

A student tests the pitch of different-sized rubber bands by stretching them around a box and then plucking them. What pitch doe

Nostrana [21]

Answer:

your answer will be C

Explanation:

remember low souunds carry sound waves farther than high pithed sounds.

4 0

3 years ago

A piece of copper is 2x2x4 cm and has a mass of 142, what is the density of copper

ohaa [14]

Answer:

Demisty = mass/volume = 142/ (2×2×4) = 142 / 16 =

8.875g/cm^3

Explanation:

3 0

3 years ago

What is the concentration if 20 grams of NaOH was dissolved￼ in enough water to make a 250 mL NaOH solution?￼

What is the concentration if 20 grams of NaOH was dissolved in enough water to make a 250 mL NaOH solution?