Answer :

Answer:

346.g of solution

Explanation:

In this case, if we have 5.2 % by mass it means that in 100 g of the solution we will have 5.2 g of glucose. Therefore we can do the calculation:

5.2 g of glucose = 100 g of solution

[tex]18~g~of~glucose\frac{100~g~of~solution}{5.2~g~of~glucose}=346.15~g~of~solution[/tex]

So, if we need 8 g of glucose we had to have 346.15 g of solution

This logic can work for all types of solutions. By mass (as in this case), by volume or mass/volume.

I hope it helps!

Amount of solution need to get 18 g sucrose is 346 gram (Approx.)

Given that;

Amount of sucrose in solution = 5.2%

Find:

Amount of solution need to get 18 g sucrose

Computation:

Amount of solution need to get 18 g sucrose = [100 / 5.2][18]

Amount of solution need to get 18 g sucrose = [19.23][18]

Amount of solution need to get 18 g sucrose = 346.14

Amount of solution need to get 18 g sucrose = 346 gram (Approx.)

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