All categories

3 years ago

How many grams of sodium chloride are required to make a 1.0 L solution with a concentration of 3.5 M?

2 answers:

8 0

The molecular weight of NaCl is 58.44; sodium =22.99; Chlorine=35.45.

A 1 molar solution is the molecular weight in grams in 1 litre of water,
So, a 3.5 molar solution would be = 58.44g * 3.5, 204.54

In short, Your Answer would be 204.54

Hope this helps!

satela [25.4K]3 years ago

5 0

3.5 M has 3.5 moles per litre
so we have one litre, so we need 3.5 moles
moles = mass/molarmass
3.5 * 23 = 80.5

You might be interested in

Given the following unbalanced equation:

Lorico [155]

<h3>Answer:</h3>

8.01 mol MgO

<h3>General Formulas and Concepts:</h3>

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Chemistry

Atomic Structure

Moles
Compounds

Stoichiometry

Using Dimensional Analysis
Analyzing Reactions RxN

<h3>Explanation:</h3>

Step 1: Define

[RxN - Unbalanced] Mg + O₂ → MgO

[RxN - Balanced] 2Mg + O₂ → 2MgO

[Given] 8.01 moles Mg

[Solve] moles MgO

Step 2: Identify Conversions

[RxN] 2 mol Mg → 2 mol MgO

Step 3: Stoich

[DA] Set up: $\displaystyle 8.01 \ mol \ Mg(\frac{2 \ mol \ MgO}{2 \ mol \ Mg})$
[DA] Multiply/Divide [Cancel out units]: $\displaystyle 8.01 \ mol \ MgO$

3 0

3 years ago

A main function of a plant's seed is to

Leni [432]

Create more of their species

6 0

3 years ago

Read 2 more answers

The first-order decay of radon has a half-life of 3.823 days. How many grams of radon remain after 7.22 days if the sample initi

Nesterboy [21]

substitute: t1/2=ln(2)k→k=ln(2)t1/2 Into the appropriate equation: [A]t=[A]0∗e−kt [A]t=[A]0∗e−ln(2)t1/2t [A]t=(250.0 g)∗e−ln(2)3.823 days(7.22 days)=67.52 g

6 0

3 years ago

Which type of decay has the greatest mass? A. alpha B. beta gamma D. nuclear

coldgirl [10]

Answer:

Alpha has the greatest mass- A.

3 0

3 years ago

Read 2 more answers

What is the difference between stable and unstable isotopes

Alja [10]

Answer:

stable isotopes have stable nuclei and do not show radioactivity, but for unstable isotopes it is the opposite

Explanation:

hope this helps, ask more questions if needed.

6 0

3 years ago