**Contents**show

## How many moles is 5 grams?

How many moles are 5 grams of calcium ? (Atomic mass of calcium =40u). Thus, there are **0.125 mole** in 5 grams of calcium. Thus, 5 grams calcium constitute 0.125 mole of calcium. In the above case, mass of element is 5 grams and molar mass of element is 40g/mol.

## How many moles are in NaOH?

Determining the Molar Mass of a Compound

The molar mass of the compound NaOH is **40 g/mol**.

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

=**0.10** (approx.)

## What is the number of moles in 10g of NaOH?

Answer: The answer is **39.99711**.

## What is a mole in chemistry?

The mole is **the amount of substance of a system which contains as many elementary entities as there are atoms in** 0.012 kilogram of carbon 12; its symbol is “mol”. … Notice that the definition of the mole is an amount of substance. We will often refer to the number of moles of substance as the amount of the substance.

## How many moles is 17.6 g Naoh?

17.6 grams of sodium hydroxide are equal to **0.440 moles** of sodium hydroxide.

## How many moles of NaOH are in 8.00 g?

The answer is **39.99711**.

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

=**0.045** (ans).

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

There are about 6.023×10^23 atoms per mol. Therefore, 4 grams of NaOH contains about 6.023×10^22 atoms. 1 atom of NaOH contains 20 protons (11+8+1). Multiply that by the number of atoms in 4 grams to get a total of **1.2046×10^24 protons**.

## How many atoms are there in 40g of NaOH?

1 mole of NaOH =40g by mass /40g by molar mass. Which is =1. 1 mole of NaOH contains **7.53*10^23 atoms**.