1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
son4ous [18]
3 years ago
11

The density of methanol is 0.787 g/ml. What is the mass in grams of 25.0 ml of methanol? Give your answer with the correct unit

and number of significant digits.
Chemistry
1 answer:
Sveta_85 [38]3 years ago
8 0

Answer:

19.6 g is the mass of methanol

Explanation:

Density of methanol is 0.787 g/mL.

Density means mass / volume

Methanol density = Methanol mass / Methanol volume.

Let's replace in the formula

0.787 g/mL = Methanol mass / 25 mL

0.787 g/mL . 25 mL = Methanol mass → 19.6 g

You might be interested in
In a chromatography experiment, chlorophyll pigments are separated using paper. What is the stationary phase in this experiment?
Bond [772]
Answer:
The stationary phase in chromatography experiment is paper.

Explanation:
In chromatography experiment, the stationary phase is defined as the fixed substance that is necessary to start chromatography. In our case, this fixed substance is paper, so that makes paper our stationary phase.

Hope this helps :)
4 0
3 years ago
Read 2 more answers
List four observations that suggest chemical change is occurring
allsm [11]

Answer:

Examples of Chemical Changes

Burning wood.

Souring milk.

Mixing acid and base.

Digesting food.

Cooking an egg.

Heating sugar to form caramel.

Baking a cake.

Rusting of iron.

8 0
2 years ago
Which organism on the food chain is a carnivore? fungus grass grasshopper spider
Lady_Fox [76]

Answer:

I think it would it spider

Explanation:

Spider catch there meals in there web then suck the blood out after it wraps them up in webing

5 0
3 years ago
What is a chemical reaction​. in your own words but be more detailed about what you say.
harkovskaia [24]

Answer:

A chemical reaction is the change in chemical form rather than physical due to an outside force. This can come from something as simple as a change in temerature to as large as a specific element or compound.

8 0
2 years ago
How do you know the number of valence electrons for those elements?​
salantis [7]

Answer:

For neutral atoms, the number of valence electrons is equal to the atom's main group number. The main group number for an element can be found from its column on the periodic table. For example, carbon is in group 4 and has 4 valence electrons. Oxygen is in group 6 and has 6 valence electrons.

Explanation:

hope this help

5 0
2 years ago
Other questions:
  • Match the term with its description. match term definition acid
    6·1 answer
  • How many moles of 90gm of water
    14·1 answer
  • Compared to the particles in a gas, the particles in a solid move
    15·1 answer
  • Urea (CH4N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with carbon dioxide as follows:
    6·1 answer
  • Identify each statement below as an example of science or pseudoscience. Magnets can cure arthritis.
    7·1 answer
  • Which gas law is represented by the following equation: P1/T1 = P2/T2
    11·1 answer
  • What does it look like when asteroids collide?
    7·2 answers
  • PLS HELP!I will give brainliest! When producing hydrogen iodide, the energy of the reactants is 581 kJ/mol, and the energy of th
    9·1 answer
  • Given that a for HCN is 6. 2×10^−10 at 25 °C. What is the value of b for cn− at 25 °C?
    12·1 answer
  • In this equation, what should be the coefficients of the reactants and products?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!