Engineering Board Exam Reviewer · Chemistry · medium
How many grams of H2SO4 are in 500 mL of a 0.1 M solution? (Use H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Cl = 35.5, Ca = 40)
- 9.8 g
- 4.9 g
- 49.0 g
- 2.45 g
Answer
B. 4.9 g
Solution
m = MVM = 0.1(0.5)(98) = 4.9 g.
More Chemistry questions
- How many moles of ions are produced when 1 mol of CaCl₂ dissolves completely in water?
- A gas occupies 500 mL at 27 °C and 1 atm. What volume will it occupy at 127 °C and 2 atm? (use K = ° C + 273)
- Chlorine consists of 75.77% 35Cl (34.969 u) and 24.23% 37Cl (36.966 u). What is its average atomic mass?
- What is the density of carbon dioxide at STP? (Use H = 1, C = 12, N = 14, O = 16, Na = 23, S = 32, Cl = 35.5, Ca = 40)
- How many moles of an ideal gas occupy 11.2 L at STP (0 °C, 1 atm)?
- What is the mass of a single carbon-12 atom?
- What is the chemical formula of calcium phosphate?
- What is the chemical formula of the ionic compound formed between aluminum and oxygen?
- Which of the following atoms has the largest atomic radius?
- How many electrons are in a chloride ion, Cl- (Z = 17)?