This is a basic moles equation and the technique with any kind of moles equation is discover the number of moles the something, use the chemistry equation to work-related out the number of moles that the thing you need to find and also the snucongo.orgnvert this value right into what you need e.g. The massive or volume of the snucongo.orgmpound.To start, we just have enough information to occupational out the number of moles of NaOH so let"s do this! First, divide 25/1000 = 0.025 to snucongo.orgnvert the cm3 NaOH volume to dm3. We perform this since the units of every little thing else is in dm3 fairly than cm3. To work-related out the number of moles of NaOH we then main point 0.025 through 0.1 to get 2.5x10-3mol that NaOH. Then, using the chemical equation we divide the variety of moles of NaOH through 3 together this is the proportion of NaOH come H3PO4 in the equation. This offers us 1/1200 mol. To discover out what volume of H3PO4 we need to get this quantity of moles of H3PO4 us then division the variety of moles by the snucongo.orgncentration of the H3PO4 equipment (0.05mol/dm3). This gives us 1/60 dm3 because that volume. However, we space not excellent yet! The concern asks for the price in cm3 therefore we have to snucongo.orgnvert the worth we have for volume into cm3 by multiplying by 1000. This gives us 1/60 or 16.67 cm3.




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Related Chemistry IB answers

All answers ▸0.1 M salt hydroxide (strong base) is included to 25 ml the 0.1 M that ethanoic acid (weak acid) in a titration. What is the pH in ~ equivalence?
What is the surname of the snucongo.orgmpound with the formula CH3CH2CH(OH)CH3, and also what is the name of its useful group?
Answered by Oscar K.
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