**Contents**show

## How many moles are present in 4g of NaOH?

=**0.10** (approx.)

## How many moles are in 20gm of NaOH?

Number of moles which make up 20 grams of NaOH = (20 grams × 1 Mole)/(40 grams) = **0.5 moles**.

## How many moles of NaOH are present in 27 ml of 0.015 M NaOH?

=**0.045** (ans).

## How many moles of NaOH are present in 160g of NaOH?

Question = Calculate the moles of Sodium hydroxide contained in 160 g of it. Answer = 160 g of Sodium hydroxide. 160 g of Sodium hydroxide = 1 mol × 160 / 40 = **4 mol**.

## How many grams of NaOH are in 3 moles of NaOH?

A 3.0 M solution of NaOH has 3.0 moles of NaOH per liter of solution. There are 0.25 L of solution (250mL⋅1L1000mL) , so there are 0.25L⋅3.0mol/L=0.75mol of NaOH. The molar mass of NaOH is 40.0 g/mol, so there are 0.75mol⋅40.0g/mol=**30g** of NaOH, 30.

## What is the molarity of a solution of NaOH?

The molarity of NaOH is 2.002 x 10 ^{–}^{2} moles x 1000 mL/L / 25.0 mL = **0.801 Molar**.

## What is the molarity of 500ml?

Therefore, 20 gm NaOH dissolved in 500 ml of solution has **1M** of molarity.