freezer and refrigerator too cold for most bacteria to grow .oven too hot for bacteria to survive
Answer:
Molarity of HCl = 1.6M
Explanation:
The chemical reaction equation is;
HCl(aq) + NaOH(aq) —> NaCl(aq) + H2O(l)
Now, molarity = number of moles/volume
Thus, for NaOH, we have;
Number of moles = molarity × volume = 2M × (20/1000) L
Number of moles = 0.04 moles
Using the coefficients in the chemical equation above, we can find the corresponding number of moles for HCl.
Number of moles of HCl = 0.04 moles NaOH × (1 mole of HCl/1 mole of HCl) = 0.04 moles of HCl
Thus;
Molarity of HCl = 0.04/(25/1000)
Molarity of HCl = 1.6M
Add the weight of chromium, nickel and iron to get 25 pounds. Then divide the weight of chromium by the weight of the stainless steel to get 18%. Then find 18% of 25 g which is 4.5 g.
Acids
Vinegar (Acetic Acid)
Lemon juice (Citric Acid)
Orange Juice (Citric Acid)
Soda (Carbonic acid)
Asprin (Acetylsalicylic acid)
Bases
Bleach ( sodium hypochlorite)
Drain Cleaner (sodium hydroxide)
Baking Soda (sodium bicarbonate)
Baking Powder (sodium carbonate)
Windex (ammonia)
