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ANTONII [103]
3 years ago
10

How many grams are present in 0.885 moles of manganese?

Chemistry
1 answer:
pshichka [43]3 years ago
4 0
A. 48.6g
PLS MARK BRAINLEIST IF IM RIGHT
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Please help!! 20 points!! Posted this previously and forgot to change it to 20 points but it is now
spayn [35]

Answer:

0.571 mol

Explanation:

Given data:

Number of moles of NaHCO₃ = 0.571 mol

Number of moles of CO₂ produced = ?

Solution:

Chemical equation:

NaHCO₃ + C₃H₆O₃   →     CO₂  + C₃H₅NaO₃ + H₂O

Now we will compare the moles of CO₂ with NaHCO₃ from balance chemical equation.

                             NaHCO₃          :            CO₂

                                    1                :               1

                                 0.571            :            0.571

So number of moles of CO₂  produced are 0.571.

3 0
3 years ago
Read 2 more answers
Can you Convert 75°F to °C
Leya [2.2K]

Answer: 23.8889

Explanation:

(75°F − 32) × 5/9 = 23.889°C

5 0
3 years ago
A 275 g sample of a metal requires 10.75 kJ to change its temperature from 21.2 oC to its melting temperature, 327.5 oC. What is
Vlada [557]

Answer:

c=0.127\ J/g^{\circ} C

Explanation:

Given that,

Mass of the sample, m = 275 g

It required 10.75 kJ of heat to change its temperature from 21.2 °C to its melting temperature, 327.5 °C.

We need to find the specific heat of the metal. The heat required by a metal sample is given by :

Q=mc\Delta T

c is specific heat of the metal

c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{10.75\times 10^3\ J}{275\times (327.5 -21.2)}\\\\=0.127\ J/g^{\circ} C

So, the specific heat of metal is 0.127\ J/g^{\circ} C.

4 0
2 years ago
Which choice can be classified as a pure substance?
ozzi

Answer:

d. compound

Explanation:

compound and elements are pure substances

8 0
3 years ago
Calculate the pressure using the formula
Nina [5.8K]

Answer:is 1.08 kg

Explanation:

Just got it wrong and it gave me the answer

5 0
3 years ago
Read 2 more answers
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