# How many grams of salt and water do you need to take to get 50g of 5% salt solution?

October 9, 2021 | education

| In order to find out how many grams of salt and water you need to take, follow these steps:

First, make up the following proportion:

50 grams is 100%

X gram is 5%

from this proportion we find the unknown value of x, for this we cut 50 g with a knife by 5 percent and divide by 100 percent and we get the following solution:

x = 50 × 5/100 = 2.5 g

The result is 2.5 grams of salt.

Next, we calculate the mass of water for this, we subtract the resulting amount of salt from the total mass and get the following solution:

m (H2O) = 50 – 2.5 = 47.5 g

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