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
mario62 [17]
3 years ago
11

What is 72.9 g HCI into moles

Chemistry
1 answer:
kherson [118]3 years ago
3 0

Answer:

1.99moles

Explanation:

molar mass of HCl = 1 + 35.5 = 36.6 g/mol

reacting mass of HCl = 72.9 grams

number of moles= reacting mass÷molar mass

= 72.9÷36.6

=1.99mol

You might be interested in
The decay of which radioisotope can be used to estimate the age of the fossilized remains of an insect?
Dmitriy789 [7]
(4) C-14 Carbon is found in all living organisms.
3 0
3 years ago
Read 2 more answers
How many grams of glucose are needed to prepare 144.3 mL of a 1.4%(m/v) glucose solution?
Montano1993 [528]

Answer:

2.0202 grams

Explanation:

1.4% (m/v) glucose solution means: 1.4g glucose/100mL solution.

so ?g glucose = 144.3 mL soln

Now apply the conversion factor, and you have:

?g glucose = 144.3mL soln x (1.4g glucose/100mL soln).

so you have (144.3x1.4/100) g glucose= 2.0202 grams

6 0
3 years ago
Read 2 more answers
Need some facts on the big bang theory! -Science
bearhunter [10]

Answer:

Here you go!

Explanation:

Our Universe is just a small part. There are many other Universes’ that exist. We live in a Multiverse. ...

Astronomer Edwin Hubble, in 1920’s, discovered that the Universe is not static. It is expanding and contracting continuously.

There is a dark energy that is making the Universe expand and accelerate at a larger rate than it did many years ago. ...

The Universe is infinite. It has no end. Thus scientists believe that the Universe is not a closed sphere but as flat as a sheet of paper and has no ...

According to the scientists the planets, stars and galaxies include only 4% of what a Universe consists of. 96% of the things in the Universe cannot be seen.

6 0
2 years ago
Read 2 more answers
What is the sum of the coefficients of the balanced equation for:
Marianna [84]

Answer:

3 Pb(NO3)2 + Al2(SO4)3 = 2 Al(NO3)3 + 3 PbSO4

Explanation:

I think your equation is incorrect? This is balanced and the sum of coefficients is 9.

5 0
3 years ago
Which of the following cannot be classified as a mixture
REY [17]

Answer:

B) Rubbing alcohol

Explanation:

It is a solution

4 0
2 years ago
Other questions:
  • Which of these pairs of elements have the same number of valence electrons?
    15·1 answer
  • My question is, that it's asking us to tell whether the partial pressure of a molecule will increase decrease of remain the same
    8·1 answer
  • Can someone help me with this one?
    6·1 answer
  • A 20.0 mL sample of a NaCl solution has a mass of 21.040g. After the solution is evaporated to dryness, the dry salt residue has
    11·1 answer
  • Elements can be described by their properties. Some of these properties are physical properties and some are chemical properties
    15·1 answer
  • What is the process of water changing from a gas to a liquid​
    10·1 answer
  • In the lab you react 2.0 g of Na2CO3 with enough CaCl2. According to the reaction Na2CO3 + CaCl2 -> CaCO3 + 2NaCl How much Ca
    6·1 answer
  • An acidic solution could have a pH of<br> A) 14 B) 10 C) 3 D) 7
    9·1 answer
  • Which definition bests describes an hydrogen bond? 
    15·1 answer
  • Why is melting a physical property of the wax, while flammability is a chemical property of the wax?.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!