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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
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∙ 14y ago
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∙ 12y ago1 mole of H2SO4 ------------- 2 equivalents
0.25 mole ------------ *?*
*?*= 0.5 moles
by mohab Yemen aden
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∙ 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
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∙ 14y agoMolarity = moles of solute/volume of solution.
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∙ 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
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∙ 8y agoThe number of molecules is 15,055 352 142 5.10e23.
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∙ 14y ago125mL
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What is the mass of oxygen in 250 g of sulfuric acid H2SO4?
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How many moles of molecules are there in 250g of hydrogen nitrate?
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How many atoms are there in 250 mol Si?
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1 mole in 250 ml and 4 moles in 1 liter or 1000 mls
How many grams of the compound trinitrotoluene are needed to prepare 250 ml of a 0.100 M solution of the compound?
C7H5N3O6 Molarity = moles of solute/Liters of solution (250 ml = 0.25 Liters ) 0.100 M C7H5N3O6 = X moles/0.25 L = 0.025 moles -------------------------now, 0.025 moles C7H5N3O6 (227.14 grams/1 mole C7H5N3O6) = 5.68 grams TNT ====================a good firecracker!
How many moles of CaCl2 are in 250 ml of CaCl2 solution?
It depends on the concentration of the solution. If you know the concentration(molarity) then use the equation. moles = [conc] x vol(mL) / 1000 NB The '1000' isusedto convert the concentration units of moles per litre (molL^-1) to mL.
How many moles of ammonium bromide can be produced from 250 moles of bromine and 600 moles of ammonia?
Ther answer is none! ammonium bromide is made from hydrogen bromide and ammonia NH3 + HBr = NH4Br i mole of each makes 1mole of ammonium salt.
What is the final concentration of cl ion when 250 ml of 020 M cacl2 solution is mixed with 250 ml of 040 M kcl solution?
Start with CaCl2. 250ml of 0.20M solution will give (0.2/1000)*250 moles = 0.05 moles. However, CaCl2--> Ca2+ + 2Cl- (1:2 reaction) so 0.05moles of CaCl2 will give 2* 0.05 moles cl ions =0.1moles. KCl will give (0.4/1000)* 250 moles =0.1 moles Since KCl--> K+ + Cl- (1:1 reaction) so 0.1 moles KCl will give 0.1 moles Cl ions. Add the 2 together so 0.1moles + 0.1 moles = 0.2 moles in total.
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Will have to make some assumptions with the little info given. Solid sucrose is 1.587 g/ml in density and has a mass of 342.30 grams/mole Density = grams/milliliters 1.587 g/ml = grams/250 ml = 396.75 grams/342.30 grams = 1.159 moles of sucrose
How many volkswagens are there in 2 moles of volkswagens?
2 x Avogadro's number. It should be noted that 2 moles of VW Beetles would have a mass over 250 times greater than that of the entire Earth.
