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Answer:
2M
Explanation:
Molarity refers to the molar concentration of a solution. It can be calculated by using the formula as follows:
Molarity (M) = number of moles (n) ÷ volume (V)
Based on the information provided in this question, 2 moles of salt is dissolved to form 1 liter of solution. This means that n = 2mol, V = 1L
Molarity = n/V
Molarity = 2/1
Molarity = 2M
Use the formula for volume. V = lwh. Plug in the numbers for length, width, and height. Now we have V = 4.0 x 2.0 x 1.0, which is 8.0. So the volume of the block is 8.0 cm.
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Answer:
Using general gas laws
P1V1/T1 = P2V2/T2
Where P1=380torr = 380mmHg
Vi = 750ml = 0.75dm3
T1= 8c = 281k
P2=0.2torr= 0.2mmHg
T2= 75c = 348k
V2=?
(380*0.75)/281 = (0.2*V2)/348
V2= 1764.77
Explanation:
