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
zzz [600]
3 years ago
7

How many moles are in 98.17 g of osmium?​

Chemistry
1 answer:
Nata [24]3 years ago
6 0

Answer:

0.5161 mol Os

Explanation:

Step 1: Find molar mass

Os (Osmium) - 190.2 g/mol

Step 2: Use Dimensional Analysis

98.17 \hspace{3} g \hspace{3} Os(\frac{1 \hspace{3} mol \hspace{3} Os}{190.2 \hspace{3} g \hspace{3} Os} ) = 0.516141 mol Os

Step 3: Simplify

We have 4 sig figs

0.516141 mol Os ≈ 0.5161 mol Os

You might be interested in
Anything with mass creates gravity, but the amount of gravity is proportional to the amount of mass.
gayaneshka [121]

Answer:

Explanation:

The amount of gravity is directly proportional to the amount of mass of the objects and inversely proportional to the square of the distance between the objects. Gravity is a force that increases the velocity of falling objects - they accelerate.

6 0
3 years ago
Read 2 more answers
What are the main reasons that organic chemistry is a primarily target for "green chemistry"? I. Organic solvents are often flam
Debora [2.8K]

Answer: Option 1 and 11

1. Organic solvents are often flammable.

II. Organic solvents are often toxic.

Explanation:

Organic solvents are often flammable and Organic solvents are often toxic are the reasons why organic chemistry is a primary target of green chemistry because green chemistry is the use of principles or approach to remove hazardous or toxic substances from chemical.profuctd or processes to make them fit or safe for use and the solvents of organic chemist are toxic, therefore green chemistry remove the toxic substances.

8 0
3 years ago
How is stoichiometry used to calculate the amount of product from amount of reactant?
IceJOKER [234]
<span>Stoichiometry deals with the quantitative measurement of reactants and products in a chemical reaction. Let suppose you are given with following reaction;

                                            A  +  2 B   </span>→    3 C

According to this reaction 1 mole of A reacts with 2 moles of B to produce 3 moles of C. Now using the concept of mole one can easily measure the amount of reactants reacted and the amount of product formed, as...

                    1 Mole Exactly equals 6.022 × 10²³ particles

                    1 Mole of Gas (at STP) exactly occupies 22.4 L Volume

                    1 Mole of any compound exactly equals the molar mass in                                 grams

Therefore, <span>Stoichiometry is very helpful in quantitative analysis.</span>
6 0
3 years ago
Read 2 more answers
What is a wave produced by vibrating electric charges that can travel in matter and empty space?
Harman [31]
The answer is A

Explanation:
8 0
3 years ago
Read 2 more answers
Which of these statements is false?
AVprozaik [17]

Answer:

The answer is b

Explanation:

Hope it helps

8 0
2 years ago
Read 2 more answers
Other questions:
  • The combustion of ethane ( C 2 H 6 ) produces carbon dioxide and steam. 2 C 2 H 6 ( g ) + 7 O 2 ( g ) ⟶ 4 CO 2 ( g ) + 6 H 2 O (
    14·1 answer
  • How does the potential energy of the reactants compare to the potential energy of the products in an exothermic reaction, and wh
    9·1 answer
  • Why argon is octent ??​
    5·2 answers
  • According to Reference Table J, which of these
    15·1 answer
  • g What is the rate law for the elementary step OH+H2→H+H2OOH+H2→H+H2O? What is the rate law for the elementary step ? Rate=k[H2]
    15·1 answer
  • * I’ll give you BRAINLIST * ( have to get it right ) Joshua has learned that the human body is made up of many body systems that
    9·1 answer
  • To make most synthetic elements, scientists use powerful machines called
    8·2 answers
  • If the alum reaction was done starting with 12.000 g of al, how many moles of hydrogen gas would be produced according to the ba
    9·1 answer
  • <img src="https://tex.z-dn.net/?f=v%3D0.164m%2A8.3cm%2A12.4cm" id="TexFormula1" title="v=0.164m*8.3cm*12.4cm" alt="v=0.164m*8.3c
    5·1 answer
  • How many molecules in 3.4 moles of NH4NO3?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!