# How many moles and grams of NaCl are present in 250 ml of 0 5 M NaCl solution?

Contents

## How many moles and how many grams of NaCl are present?

One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g.

## How many moles of NaCl are present in?

The mass of NaCl is given as 20g. So, the number of moles of NaCl present in 20 g of NaCl is 0.342 mol.

## How many moles are in NaOH?

Converting Mass to Number of Moles

How many moles of NaOH are present in 90 g of NaOH? Since the molar mass of NaOH is 40 g/mol, we can divide the 90 g of NaOH by the molar mass (40 g/mol) to find the moles of NaOH. This the same as multiplying by the reciprocal of 40 g/mol.

## What is the mole formula?

Avogadro’s number is a very important relationship to remember: 1 mole = 6.022×1023 6.022 × 10 23 atoms, molecules, protons, etc. To convert from moles to atoms, multiply the molar amount by Avogadro’s number. To convert from atoms to moles, divide the atom amount by Avogadro’s number (or multiply by its reciprocal).

## How would you prepare 1M solution of NaCl in 100 ml?

= c2/c1) is 0.1M/1M = 1/10. To make 100 ml of 0.1M NaCl, one would pipette 10 ml of stock 1M NaCl into a 100 ml volumetric flask, and bring the total volume to 100 ml with water.

THIS MEANING:  What is the mass of O 5 mole of oxygen atoms?

## What is a 1.0 M solution?

A 1 molar (M) solution will contain 1.0 GMW of a substance dissolved in water to make 1 liter of final solution. Hence, a 1M solution of NaCl contains 58.44 g. Example: HCl is frequently used in enzyme histochemistry.

## How many grams of NaCl are in 350 mL of normal saline 0.9% NaCl )?

So, approximately 5.87 grams of NaCl are contained in 350 ml of a 0.287 M solution of sodium chloride.

## How do you make a 1M solution of NaCl?

A 1M solution of NaCl can be prepared by measuring 58.44 g of NaCl and placing this amount of salt in 1 litre volumetric flask and then filling the flask with distilled water to the graduation mark. Note: It is to be noted that molarity and molality are not the same.