3 years ago

Compared with Earth, the Moon has a surface that is geologically less active. For example

Chemistry

2 answers:

AveGali [126]3 years ago

6 0

The answer is C. The earth does have volcanos, so it isn’t B. Earth has continents so it’s not D

antoniya [11.8K]3 years ago

3 0

Have you tried using quizlet but tbh I would say C

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How many grams of NaCl are needed to prepare 50.0 grams of 35.0% of salt solution?

nevsk [136]

Answer:

17.5 g

Explanation:

Given data

Mass of solution to be prepared: 50.0 grams

Concentration of the salt solution: 35.0%

The concentration by mass of NaCl in the solution is 35.0%, that is, there are 35.0 grams of sodium chloride per 100 grams of solution. We will use this ratio to find the mass of sodium chloride required to prepare 50.0 grams of a 35.0% salt solution.

$50.0gSolution \times \frac{35.0gNaCl}{100gSolution} = 17.5gNaCl$