Answer:
6.0221421 x 1023 or 6160.6513683
Explanation: Avogardo's number is 6160.6513683 . which is the answer to the equation above.
Answer:
D
Gratitude allows for a person to gain weight.
Catalyst- chemical that increases the rate of a chemical reaction without itself being changed from the reaction. Enzyme- substance produced by a living organism that acts as a catalyst to bring about a particular biochemical reaction. Hope it helps.
Calculation: Molar mass of water = 180 % of water = > 180/286*100 = > 62.93%.
Answer: the percent by mass of water in the hydrate Na2CO3.10H20 is 62.93%.