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Remember M1V1=M2V2. (M is for molarity. V is for volume.)
So:0.25M x V1 = 0.50 M x 0.050 L
V1 = 0.50 M x 0.050L / 0.25 M = 0.1 L
Wait! You need it in mL so 0.1 L x 1000 = 100 mL
Wiki User
∙ 14y ago
There are 1.51 x 10^24 molecules in 2.50 moles of H2SO4. This is calculated by multiplying Avogadro's number (6.022 x 10^23 molecules/mol) by the number of moles.
Wiki User
∙ 12y ago1 mole of H2SO4 ------------- 2 equivalents
0.25 mole ------------ *?*
*?*= 0.5 moles
by mohab Yemen aden
Wiki User
∙ 14y agomass= no. of mol * molar mass m = n * Mr n=0.25 Mr=1+1+32+(16*4)=100 m=0.25*100=25 grams
Wiki User
∙ 14y agoMolarity = moles of solute/volume of solution.
Wiki User
∙ 11y agoH2SO4 + 2NaOH ----> 2H2O + Na2SO4
Volume of H2SO4 = (.005 mol NaOH)(1 mol H2SO4/ 2 mol NaOH)( 1L solution/.125 mol H2SO4) = .02 L or 20.0mL of .125 M H2SO4
Wiki User
∙ 8y agoThe number of molecules is 15,055 352 142 5.10e23.
Wiki User
∙ 14y ago125mL
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What is the mass of oxygen in 250 g of sulfuric acid H2SO4?
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What is the mass of oxygen in 250 g of sulfuric acid H2SO4?
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The total volume after mixing the two solutions is 500 mL, and the total moles of chloride ions is calculated by summing the moles from each solution. This results in 0.02 moles of chloride ions being contributed by CaCl2 and 0.04 moles contributed by KCl. Dividing the total moles of chloride ions by the total volume gives a final concentration of 0.12 M Cl-.
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