Websolsarin - the complate explain WebExpert Answer. She wants to make a 16% salt solution of 50mL and fir that she mixes 13% salt so …. A chemist needs 50 mL of a 16% salt solution for an experiment. She can only find a 13% salt solution and an 18% salt solution in the supply room. How many milliliters of the 13% solution should be mixed with the 18% solution to produce the ...

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Webgrams of solute = (wt% solution) x (ml of water) ÷ (100 – wt% solution) As an example, to make 100 ml of 10% NaCl (table salt) solution, use the previous formula to find out how … WebHow many gallons of an 18% salt solution must be mixed with 7 gallons of a 30% salt solution to obtain a 25% salt solution? ... There needs to be gallons of 14% solution and gallons of 22%. A chemist is mixing two solutions together. The chemist wants 100 gallons when complete. He is mixing a 24% solution with a 50% solution to get a 36% solution. itsegcompany

2 Amount and concentration: making and diluting solutions

WebAnswer (1 of 8): As concentration varies with volume of solvent but amount is unchanged As water evaporates concentration varies but amount of salt dont vary So you may understand what i have done in photo Web11. sep 2016. · 50 gallons This was an interesting question. And here is how I tackled it. What is required is a 5% solution, and this is made up by adding an unknown volume (we'll call that v) of a 3% solution to 50 gallons of a 7% solution. So, the above can be expressed as: 7% solution + 3% solution = 5% solution So: (7 x 50) + (3 x v) = 5 x (50 … WebHow many grams of NaCl are required to make 1200 grams of a 1.1% (w/w) solution? Olga needs 100 g of 18% salt solution. How much water and how much salt should she … neo rr webmail