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natka813 [3]
3 years ago
13

What is the formula mass of mgcl2

Chemistry
1 answer:
NeX [460]3 years ago
8 0

Answer:

The formula mass of MgCl2 is 95, 3 grams (the weight of 1 mol of compound)

Explanation:

We calculate the weight of 1 mol of MgCl2:

Weight of 1mol of MgCl2=atomic  weight Mg + (atomic weight Cl)x  2=

24, 3 grams + 2 x 35, 5 grams = 95, 3 grams/mol MgCl2

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Alcl3+Na =NaCl+ Al .did Al change oxidation number
saul85 [17]

Answer:

yes it is ( From +3 to 0 )

Explanation:

If this is the balanced equation:

AlCl3     +    3Na ——>    3NaCl      +      Al

Al      Cl        3Na             Na     Cl            Al

+3     -3        0                    +1       -1            0

5 0
3 years ago
___________________is the rate that an object moves in a certain direction. Question 3 options:
Nesterboy [21]

Answer: Velocity

Explanation:

i just took the quiz for k12

3 0
3 years ago
PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!
Marina CMI [18]

Answer:

C

Explanation:

It afffects changes in pressure and temperature not melting and boiling points

5 0
2 years ago
3. The diet of white-tailed deer consists primarily of shrubs. Sika are
olga_2 [115]
Sika have more food choices because they eat both grasses and shrubs, compared to the white-tailed dear who only eats shrubs.
3 0
2 years ago
The Spirit of America Goodyear blimp has a volume of 2.027×105 ft3.When the blimp is in operation, it is filled with helium gas.
Andru [333]
Answer: 1.027 x 10^6 g= 1027kg
In this question, you are given the volume of the blimp (2.027×10^5 ft^3) and the density of the gas(0.179g/L). To answer this question, you need to convert the volume unit into liter. The calculation would be: 2.027×10^5 ft^3 x 28.3168L/ft3= 57.398 x 10^5L= 5.74x10^6L

Then to find the mass, multiply the volume with the density. The calculation would be: 5.74x10^6L x 0.179g/L= 1.027 x 10^6 g= 1027kg
4 0
3 years ago
Read 2 more answers
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