Answer:
00.001 mol/h+
Explanation:
The ph of a solution is defined as the negative iogaristhum pf the hydrogen ion concentration(in mole)ph=log(h+)poh=-log
Answer: 90 percent water, electrolytes such as potassium and phosphorus, and chemicals called urea and uric acid
Explanation:
For 23., you have to find a way to measure your heart rate not increase it. search it up on google.
Explanation:
First Question
- The correct chemical formular is ; Al2(SO4)3
Second question
The following applies;
- The mass of the products is the same as the mass of the reactants
- At least one new product formed is a gas
- Molecules are changing into different molecules
Third Question
- Zn + HCl → ZnCl2 + H2
Fourth Question
- The atoms in the original substances regroup and form a different substance
- Matter is conserved
- The same atoms are present before and after the reaction
