A 1 M solution of NaCl (formula weight = 40.0 g/mol) has a volume of 1 liter. What mass of NaCl is dissolved in the solution?

For the reaction H2(g) + I2(g) ⇌ 2HI(g), Kc = 50 at a certain temperature. If the equilibrium concentrations are [H2] = 0.1 M and [I2] = 0.1 M, what is the equilibrium concentration of HI?

Which concentration unit is temperature-dependent because the volume of the solution can change with temperature?

What is the pH of a solution with a pOH of 9.0?

For the reaction CO(g) + H2O(g) ⇌ CO2(g) + H2(g), Kc = 1 at a certain temperature. If the initial concentrations are [CO] = 2 M and [H2O] = 2 M, what will be the equilibrium concentration of CO2?

What is the molality of a solution containing 3 moles of urea (formula weight = 60 g/mol) dissolved in 1 kg of water?

What is the hydroxide ion concentration of a solution with a pOH of 2.0?

If [OH-] = 2.5 x 10^-9 M, what is the pH of the solution?

Acme Company produces and sells widgets. During the current year, Acme produced 42,600 units, total variable manufacturing costs were $59,640, and total fixed manufacturing costs were $110,760. Operating income is $168,900 using variable costing and $227,868 using absorption costing. Acme’s per-unit manufacturing costs were the same in prior years. During the current year, the inventory level:

Acme Company, a retailer, is preparing its selling and administrative expenses budget for the month of June. Sales are budgeted at $500,000 for May, $450,000 for June, and $550,000 for July. Selling expenses are budgeted at $9,000 plus a percentage of monthly sales revenue. The selling expenses budget for the month of May is $24,000. Budgeted fixed administrative expenses include rent of $12,000 and depreciation expense of $7,100. Variable administrative expenses are budgeted at 4% of monthly sales revenue. Capital expenditures related to fixed assets used in selling and administrative activities are budgeted at $5,750 for the month of June. What are the budgeted cash payments for selling and administrative operating expenses for the month of June?