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What is the approximated minimum amount of carbohydrates that must be consumed everyday, according to the latest dris? 25 grams 50 g
The approximated minimum amount of carbohydprices that must be consumed day-to-day, according to the latest DRIS is to consume at least 130 grams day-to-day. This is the minimum amount needed to supply the glucose that the body, particularly the brain, must have to feature effectively.
The molar mass of sodium is 22.990 g/mol.
The molar mass of chlorine is 35.45 g/mol.
To calculate the molar mass of NaCl, we should multiply the subscript of each aspect times its molar mass, then add them together. In this situation given that tbelow is no submanuscript, it is construed to be
( 1 × 22.990 g/mol ) + ( 1×35.45 g/mol ) = ?
22.990 g/mol + 35.45 g/mol = ?
58.44 g/mol = ?
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A student dissolves 10.0 g of sodium sulfate (Na2SO4) in 250.0 mL of water.Calculate the molarity of the solution.
M(Na2SO4) = 2*23.0 + 32.1 + 4*16.0 = 142.1 g/mol
10.0 g* 1 mol/ 142.1 g= (10/142.1) mol
250.0 mL = 0.2500 L
(10/142.1) mol/0.2500 L =0.281 mol/L = 0.281 M
A container of acetylene gas (C2H2) holds 3.86mol of acetylene and has a volume of 39.2L. If there were a leak and the volume we
In our data:n₁ = 3.86 mol C₂H₂V₁ = 39.2 LV₂= 17.3 Ln₂ = ?
Let"s plug our worths in the equation over.
Note: You could reararray the equation prior to plugging in values for much less algebraic manipulation.
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We"re not done yet. Now, you need to subtract this variety of moles from the initial worth to find the difference, because the question claims "exactly how many moles...have actually been lost".