**Contents**show

## How many moles are in 100 grams?

There are **5.55 moles** of water in 100g of it.

## How many moles are in 17.7 g of KMnO4?

Mole practice

Question | Answer |
---|---|

12)Find the formula mass of KMnO4 | 158.00 g/mol |

13)Find the formula mass of Mg3(PO4)2 | 262.79 g/mol |

14)Find the molecular mass of C12H22O11 | 342.23 g/mol |

15) How many moles are in 17.7 g of KMnO4? | 0.112 mol KMnO4 |

## Can you convert grams to moles?

**Divide the number of grams** of the compound, NaOH, by the molecular weight and as a result, the grams (g) unit cancels and all we have left is the unit mol (moles).

## What is 1g mole?

(Often called gram-molecular weight.) **A mass of a substance in grams numerically equal to its molecular weight**. Example: A gram-mole of salt (NaCl) is 58.44 grams. Terms G. …

## How many grams are in 3 moles of Na2SO4?

No of moles=458/142=3 moles. There are 3 moles in **458 grams** of Na2SO4.

## How many grams are in 0.5 moles of H2SO4?

molar mass of H2SO4 is 98g. given mass or mass present =0.5 × 98 = **49g**.

## How many oxygen atoms are in 225g of KMnO4?

The answer is **158**. In one mole of matter, there is precisely 6. Upgrade today to get a personal Numerade Expert Educator answer!

## How many mol are 4.52 x10 24 molecules h2o?

4.65×1024⋅NO2⋅molecules6.022×1023⋅NO2⋅molecules⋅mol−1=7.72⋅mol …