3 years ago

Giải phương trình phân tử và phương trình ion rút gọn HCL+NaOH

Chemistry

1 answer:

Whitepunk [10]3 years ago

3 0

Answer:

only japanese and english I understand sorry your languages

Explanation:

so sorry can you brainliest me pls I need Brainliest:)

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What mass of a 4.00 % NaOH solution by mass contains 15.0 g of NaOH?

fenix001 [56]

Answer:

375 g

Explanation:

Let the total mass of the solution = x g

Given that the mass of NaOH in the solution = 15.0 g

Thus, mass of the solvent = x - 15.0 g

Given that the mass % of the solution = 4 %

So,

$Mass\ percent=\frac {Mass\ of\ the\ solute}{Mass\ of\ the\ solution}\times 100$

So,

$4=\frac {15.0}{Mass\ of\ the\ solution}\times 100$

<u>Mass of the solution = 375 g</u>

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