Ask question

Ask question

All categories

3 years ago

10

Which veriable should he change, measure and control (temp of water, volume of water and mass of sodium chloride that dissolve )

in a dissolving investigation

1 answer:

erma4kov [3.2K]3 years ago

7 0

I would say
change: Temp
Measure: Mass
Control: Volume

You might be interested in

Cho biết độ tan của NH4Cl trong nước ở 20oC và 70oC lần lượt là 37,2 g/100 gam nước và 60,2 gam/100 g nước. Hòa tan 166,8 gam NH

Stolb23 [73]

Answer: Hợp chất CTHH 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 70 °C

Actini(III) hydroxide Ac(OH)3 0,0022

Amonia NH3 1176 900 702 565 428 333 188

Amoni azua NH4N3 16 25,3 37,1

View 42 more rows

hehe

8 0

3 years ago

As an object falls down the earth, its gravitational potential energy will

Travka [436]

Answer:

a. decrease

Explanation:

6 0

2 years ago

what would the molarity of a solution be if you took 10 mL of a 13M stock solution and made a 300 mL solution?

nignag [31]

Answer:

0.43M

Explanation:

8 0

3 years ago

What does the atomic number of each atom represent?

saw5 [17]

It's the number of Protons of that atom..

6 0

3 years ago

The atoms of a metalloid have 6 valence electrons. The metalloid is used as a semiconductor. Which best describes the electron s

faltersainse [42]

Valence electrons are located in the outermost shell of the atom.

5 0

3 years ago

Read 2 more answers