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Anastasy [175]
3 years ago
14

145.8g of Mg contains how many moles?

Chemistry
1 answer:
Tems11 [23]3 years ago
8 0
A: 6 moles
You have to find the molar mass and then multiply
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Why were colonists in new england angry at king james 2 abd governor edmund andros of new england?​
Pani-rosa [81]

His strict imposition of autocratic rule was supported by his appointment by the King, who otherwise was not directly involved.

Explanation:

Andros’ imposition of Episcopalian worship in the Old South Meeting house, Boston his vigorous enforcement of the Navigation Acts.

He had earned the enmity of the local populace by enforcing the restrictive Navigation Acts.

He had infuriated Puritans in Boston by promoting the Church of England, which was rejected by many Nonconformist New England colonists.

When news of the overthrow of James II (1688) reached Boston, the colonists revolted, deposing Andros and imprisoning him.

His requirement that landholders take out new land patents and his limitations upon town meetings and rights of local taxation all aroused sharp resentment in colonial America.

7 0
3 years ago
Which is equal to a temperature of 50°F?<br> O 18°C<br> O 46°C<br> O 10°C<br> O 32°C
Alekssandra [29.7K]
C) 10°C

50-32= 18
18 x 5/9=10
8 0
3 years ago
Read 2 more answers
What is the mass of 2.31 x 10^23 formula units of SrF2?
Lisa [10]
48.2g SrF2

(hope this helps and correct me if I’m wrong)
5 0
3 years ago
A student has a cube with each side is 4 cm in length, what is the volume? What is the measurement unit? Select ALL that apply.
Margaret [11]

Answer:

64cm^3

Explanation:

To get the volume just multiple 4*4*4

4 0
2 years ago
Gas has a volume of 247.3 ML and is at 100 Celsius and 745 Hg. If the mass of the gas is 0.347 g what is the molar mass of the v
Ahat [919]

Answer:

The molar mass of the vapor is 43.83 g/mol

Explanation:

Given volume of gas = V = 247.3 mL = 0.2473 L

Temperature = T = 100^{\circ}C = 373 K

Pressure of the gas = P = 745 mmHg  (1 atm = 760 mmHg)

P = \displaystyle \frac{745}{760} \textrm{ atm} = 0.9802 \textrm{ atm}

Mass of vapor = 0.347 g

Assuming molar mass of gas to be M g/mol

The ideal gas equation is shown below

\textrm{PV} =\textrm{nRT} \\\textrm{PV} = \displaystyle \frac{m}{M}\textrm{ RT } \\0.98026 \textrm{ atm}\times 0.2473 \textrm{ L} = \displaystyle \frac{3.47 \textrm{ g}}{M}\times 0.0821 \textrm{ L.atm.mol}^{-1}.K^{-1}\times 373\textrm{K} \\M = 43.834 \textrm{ g/mol}

The molar mass of the vapor comes out to be 43.834 g/mol

4 0
2 years ago
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