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Effectus [21]
3 years ago
6

Calculate the average atomic mass of antimony

Chemistry
1 answer:
densk [106]3 years ago
4 0

Answer:

Wow, now this one is a hard one, took me quite a while to figure it out but here it is

The abundances of the two isotopes is:

Antimony-121 = 57.2%

Antimony-123 = 42.8%

Explanation:

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Calculate the mass of water change if the density is 1.02 g/ml and the volume is 62 ml?
Dimas [21]

Answer:

65.72 g

Explanation:

mass = density × volume

= 1.02 g/ml × 62 ml

= 65.72 g

3 0
3 years ago
When you see or visit grasslands, what do you know about the climate? (Select all that apply.)
Nana76 [90]

When you see  or visit grasslands you know that :

  • They have mild to hot summers ( B )
  • They have a lot of precipitation  ( A )

<h3><u>Grassland vegetation</u> </h3>

Grasslands are a type of vegetation found mostly in areas with favourable weather conditions such as mild summers and right amount of precipitation which provides the grasslands with enough water for proper growth.

Other types of vegetation include :

  • Forest vegetation
  • Tundra  and
  • Desert vegetation

Desert vegetation expreciences very hot summers and little precipitation which leads to the scarcity of green vegetation, while forest vegetation expreciences a very high level of precipitation.

Hence we can conclude that When you see  or visit grasslands you know that :They have mild to hot summers ,They have a lot of precipitation  

Learn more about grasslands : brainly.com/question/994161

4 0
3 years ago
Read 2 more answers
Let's say we have 2 Zinc atoms and 2 Sulfur atoms on one side of the equation. According to the Law of Conversation and Mass, ho
Viefleur [7K]

Answer:

Two

Explanation:

The law of conservation of mass states that in an isolated system the mass present is neither destroyed nor created by chemical changes or physical changes.

This tells us that the mass of reactants must be equal to the product mass.

If 1 atom of Zn react with one atoms of sulfur, the product will be 1 molecule of zinc sulfide according to the equation below

Zn(s) + S(s) ⇒ ZnS(s)

therefore two atoms each f zinc and sulfur will product two molecules of Zn sulfide

5 0
3 years ago
Find the mass(grams) in 2.60 mol of lithium ?
scZoUnD [109]

Answer/explanation :

To calculate the number of mass, we use this formula

Number of mole = mass / molar mass

Since we are given the number of mole

Number of mole = 2.60mol

Mass = ?g

Molar mass of Li = 6.941g/mol

2.60mol = mass / 6.941 g/mol

Mass = 2.60 * 6.941

= 18.0466g

Therefore, the number of mass is 18.0466g

8 0
3 years ago
What is the molar mass of H3PO4?
SCORPION-xisa [38]

Answer:

Molar mass of H3PO4  = 97.99 g/mol (Approx.)

Explanation:

Find:

Molar mass of H3PO4

Given;

Molar mass of H = 1.0079 g/mol

Molar mass of P = 30.974 g/mol

Molar mass of O = 15.999 g/mol

Computation:

Molar mass of H3PO4  = (1.0079)(3) + 30.974 + 15.999(4)

Molar mass of H3PO4  = 3.0237 + 30.974 + 63.996

Molar mass of H3PO4  = 97.9937

Molar mass of H3PO4  = 97.99 g/mol (Approx.)

4 0
3 years ago
Read 2 more answers
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